Select 20 unique numbers from 1 to 260
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 387,014,877,268,261,028,456,654,962,688 (~387014877268.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 941,569,272,100,188,049,315,145,529,826,025,395,956,765,163,520 (~9.4156927210019E+29 million trillion)
If order does not matter (e.g. most lottery numbers): 387,014,877,268,261,028,456,654,962,688 (~387014877268.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 941,569,272,100,188,049,315,145,529,826,025,395,956,765,163,520 (~9.4156927210019E+29 million trillion)