Select 20 unique numbers from 1 to 10000000000000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 41,103,176,232,340,681,041,183,445,166,559,060,405,930,128,724,952,257,840,168,975,286,336,937,565,482,651,424,235,605,775,222,203,706,720,224,341,419,071,993,716,937,781,691,236,344,664,337,543,490,826,973,599,044,633,241,248,551,720,448,917,561,832,284,482,357,363,876,020,921,865,332,248,977,595,496,544,253,849,370,624 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 99,999,999,998,100,020,580,584,668,228,362,963,098,964,968,553,852,956,761,592,100,474,922,062,131,982,453,334,936,416,620,686,956,630,651,771,831,286,017,611,375,379,088,559,963,886,338,837,575,302,206,084,476,440,951,463,506,994,864,735,066,340,697,980,106,593,235,633,324,198,426,135,257,868,272,652,713,024,275,110,755,810,448,121,255,690,240 (~)
If order does not matter (e.g. most lottery numbers): 41,103,176,232,340,681,041,183,445,166,559,060,405,930,128,724,952,257,840,168,975,286,336,937,565,482,651,424,235,605,775,222,203,706,720,224,341,419,071,993,716,937,781,691,236,344,664,337,543,490,826,973,599,044,633,241,248,551,720,448,917,561,832,284,482,357,363,876,020,921,865,332,248,977,595,496,544,253,849,370,624 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 99,999,999,998,100,020,580,584,668,228,362,963,098,964,968,553,852,956,761,592,100,474,922,062,131,982,453,334,936,416,620,686,956,630,651,771,831,286,017,611,375,379,088,559,963,886,338,837,575,302,206,084,476,440,951,463,506,994,864,735,066,340,697,980,106,593,235,633,324,198,426,135,257,868,272,652,713,024,275,110,755,810,448,121,255,690,240 (~)