20312134132 has 12 divisors (see below), whose sum is σ = 35732342016. Its totient is φ = 10102893560.

The previous prime is 20312134097. The next prime is 20312134169. The reversal of 20312134132 is 23143121302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13292518 + ... + 13294045.

It is an arithmetic number, because the mean of its divisors is an integer number (2977695168).

Almost surely, 2^20312134132 is an apocalyptic number.

It is an amenable number.

20312134132 is a deficient number, since it is larger than the sum of its proper divisors (15420207884).

20312134132 is a wasteful number, since it uses less digits than its factorization.

20312134132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26586758 (or 26586756 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20312134132 its reverse (23143121302), we get a palindrome (43455255434).

The spelling of 20312134132 in words is "twenty billion, three hundred twelve million, one hundred thirty-four thousand, one hundred thirty-two".