Select 20 unique numbers from 99 to 200
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 831,331,027,085,222,477,824 (~831.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,022,546,925,255,186,380,755,993,164,679,357,661,184 (~2.0225469252552E+21 million trillion)
If order does not matter (e.g. most lottery numbers): 831,331,027,085,222,477,824 (~831.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,022,546,925,255,186,380,755,993,164,679,357,661,184 (~2.0225469252552E+21 million trillion)