Select 20 unique numbers from 1 to 128
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 119,656,698,232,657,038,802,944 (~119656.7 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 291,113,021,422,017,500,862,545,690,165,182,468,194,304 (~2.9111302142202E+23 million trillion)
If order does not matter (e.g. most lottery numbers): 119,656,698,232,657,038,802,944 (~119656.7 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 291,113,021,422,017,500,862,545,690,165,182,468,194,304 (~2.9111302142202E+23 million trillion)