20 Random Numbers between 1-400 | Number Generator

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Generate random numbers between and Lucky Lottery Number Generator

Combinatorics

Select 20 numbers from 1 to 400

Total possible combinations (ways)
If order does not matter: 2,788,360,983,670,896,140,590,278,422,560,768 (~2.7883609836709E+21 trillion)
If order matters: 6,783,809,036,694,315,149,350,429,799,500,162,112,960,910,422,179,840 (~6.7838090366943E+39 trillion)