Select 20 unique numbers from 5 to 550
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,602,389,778,390,370,257,977,361,407,569,559,552 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,898,457,309,727,651,565,370,386,093,827,350,858,344,958,693,849,694,208 (~)
If order does not matter (e.g. most lottery numbers): 1,602,389,778,390,370,257,977,361,407,569,559,552 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,898,457,309,727,651,565,370,386,093,827,350,858,344,958,693,849,694,208 (~)