Select 20 unique numbers from 1 to 65
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 28,339,603,908,273,844 (~28.3 thousand trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 68,947,479,259,369,988,705,334,361,388,482,560 (~6.894747925937E+16 million trillion)
If order does not matter (e.g. most lottery numbers): 28,339,603,908,273,844 (~28.3 thousand trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 68,947,479,259,369,988,705,334,361,388,482,560 (~6.894747925937E+16 million trillion)