Question 393195
For any number of people,{{{ n}}}, the answer would be {{{(n )!}}} .

{{{ n=20}}}

{{{(n)!= (20)! = 20!= 20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1= 2432902008176640000}}}