20113124032 has 28 divisors (see below), whose sum is σ = 39918497760. Its totient is φ = 10054919936.

The previous prime is 20113123999. The next prime is 20113124033. The reversal of 20113124032 is 23042131102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20113124033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432873 + ... + 477079.

Almost surely, 2^20113124032 is an apocalyptic number.

It is an amenable number.

20113124032 is a deficient number, since it is larger than the sum of its proper divisors (19805373728).

20113124032 is an equidigital number, since it uses as much as digits as its factorization.

20113124032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51328 (or 51318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20113124032 its reverse (23042131102), we get a palindrome (43155255134).

The spelling of 20113124032 in words is "twenty billion, one hundred thirteen million, one hundred twenty-four thousand, thirty-two".