Select 20 unique numbers from 5 to 90
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 18,293,741,700,978,245,632 (~18.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 44,506,880,921,374,716,125,205,169,783,475,011,584 (~4.4506880921375E+19 million trillion)
If order does not matter (e.g. most lottery numbers): 18,293,741,700,978,245,632 (~18.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 44,506,880,921,374,716,125,205,169,783,475,011,584 (~4.4506880921375E+19 million trillion)