Select 20 unique numbers from 1 to 166
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 31,496,272,973,955,471,482,290,176 (~31496273 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 76,627,345,768,415,894,837,396,744,812,241,528,211,636,224 (~7.6627345768416E+25 million trillion)
If order does not matter (e.g. most lottery numbers): 31,496,272,973,955,471,482,290,176 (~31496273 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 76,627,345,768,415,894,837,396,744,812,241,528,211,636,224 (~7.6627345768416E+25 million trillion)