20160384845992 has 32 divisors (see below), whose sum is σ = 39190493260800. Its totient is φ = 9712426536000.

The previous prime is 20160384845971. The next prime is 20160384845999. The reversal of 20160384845992 is 29954848306102.

It is a super-2 number, since 2×20160384845992² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20160384845992.

It is not an unprimeable number, because it can be changed into a prime (20160384845999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177436384 + ... + 177549967.

It is an arithmetic number, because the mean of its divisors is an integer number (1224702914400).

Almost surely, 2^{20160384845992} is an apocalyptic number.

It is an amenable number.

20160384845992 is a deficient number, since it is larger than the sum of its proper divisors (19030108414808).

20160384845992 is a wasteful number, since it uses less digits than its factorization.

20160384845992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354986617 (or 354986613 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 20160384845992 in words is "twenty trillion, one hundred sixty billion, three hundred eighty-four million, eight hundred forty-five thousand, nine hundred ninety-two".