20312132052 has 24 divisors (see below), whose sum is σ = 48497184736. Its totient is φ = 6613252128.

The previous prime is 20312132051. The next prime is 20312132069. The reversal of 20312132052 is 25023121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312132051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19681783 + ... + 19682814.

Almost surely, 2^20312132052 is an apocalyptic number.

It is an amenable number.

20312132052 is an abundant number, since it is smaller than the sum of its proper divisors (28185052684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20312132052 is a wasteful number, since it uses less digits than its factorization.

20312132052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39364647 (or 39364645 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20312132052 its reverse (25023121302), we get a palindrome (45335253354).

The spelling of 20312132052 in words is "twenty billion, three hundred twelve million, one hundred thirty-two thousand, fifty-two".