Select 20 unique numbers from 1 to 135
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 378,063,014,136,274,535,579,648 (~378063 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 919,790,266,309,455,753,604,543,970,422,213,274,763,264 (~9.1979026630946E+23 million trillion)
If order does not matter (e.g. most lottery numbers): 378,063,014,136,274,535,579,648 (~378063 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 919,790,266,309,455,753,604,543,970,422,213,274,763,264 (~9.1979026630946E+23 million trillion)