Select 20 unique numbers from 0000000 to 9999999
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 41,102,395,279,684,675,366,957,659,288,664,127,483,055,759,878,801,824,937,338,793,421,932,685,384,993,805,264,988,151,346,843,888,798,220,223,001,544,953,430,016 (~4.1102395279685E+103 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 99,998,100,016,814,896,734,464,981,346,195,807,267,722,918,933,859,059,365,218,543,593,852,178,278,308,970,887,294,708,483,076,875,492,444,305,587,359,352,904,742,114,080,504,175,132,672 (~9.9998100016815E+121 million trillion)
If order does not matter (e.g. most lottery numbers): 41,102,395,279,684,675,366,957,659,288,664,127,483,055,759,878,801,824,937,338,793,421,932,685,384,993,805,264,988,151,346,843,888,798,220,223,001,544,953,430,016 (~4.1102395279685E+103 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 99,998,100,016,814,896,734,464,981,346,195,807,267,722,918,933,859,059,365,218,543,593,852,178,278,308,970,887,294,708,483,076,875,492,444,305,587,359,352,904,742,114,080,504,175,132,672 (~9.9998100016815E+121 million trillion)
