Select 20 unique numbers from 38 to 128
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 65,341,512,186,912,489,472 (~65.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 158,969,496,216,837,784,009,525,358,527,820,857,344 (~1.5896949621684E+20 million trillion)
If order does not matter (e.g. most lottery numbers): 65,341,512,186,912,489,472 (~65.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 158,969,496,216,837,784,009,525,358,527,820,857,344 (~1.5896949621684E+20 million trillion)