20310132232 has 64 divisors (see below), whose sum is σ = 43215883200. Its totient is φ = 8870964480.

The previous prime is 20310132217. The next prime is 20310132247. The reversal of 20310132232 is 23223101302.

It is an interprime number because it is at equal distance from previous prime (20310132217) and next prime (20310132247).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012463 + ... + 2022529.

It is an arithmetic number, because the mean of its divisors is an integer number (675248175).

Almost surely, 2^20310132232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20310132232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21607941600).

20310132232 is an abundant number, since it is smaller than the sum of its proper divisors (22905750968).

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

20310132232 is a wasteful number, since it uses less digits than its factorization.

20310132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20310132232 its reverse (23223101302), we get a palindrome (43533233534).

The spelling of 20310132232 in words is "twenty billion, three hundred ten million, one hundred thirty-two thousand, two hundred thirty-two".