Select 20 unique numbers from 80 to 49
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 348,678,440,100,000,041,335,636,623,360 (~348678440100 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 348,678,440,100,000,041,335,636,623,360 (~348678440100 million trillion)
If order does not matter (e.g. most lottery numbers): 348,678,440,100,000,041,335,636,623,360 (~348678440100 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 348,678,440,100,000,041,335,636,623,360 (~348678440100 million trillion)