Select 20 unique numbers from 1 to 181
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 196,898,889,193,939,117,329,612,800 (~196898889.2 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 479,035,702,927,684,164,344,886,701,772,315,041,334,296,576 (~4.7903570292768E+26 million trillion)
If order does not matter (e.g. most lottery numbers): 196,898,889,193,939,117,329,612,800 (~196898889.2 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 479,035,702,927,684,164,344,886,701,772,315,041,334,296,576 (~4.7903570292768E+26 million trillion)