Select 20 unique numbers from 1 to 109
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 3,595,067,609,875,170,197,504 (~3595.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 8,746,447,207,596,094,669,343,636,057,198,591,737,856 (~8.7464472075961E+21 million trillion)
If order does not matter (e.g. most lottery numbers): 3,595,067,609,875,170,197,504 (~3595.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 8,746,447,207,596,094,669,343,636,057,198,591,737,856 (~8.7464472075961E+21 million trillion)