20310023032 has 32 divisors (see below), whose sum is σ = 41237239680. Its totient is φ = 9322058880.

The previous prime is 20310023011. The next prime is 20310023033. The reversal of 20310023032 is 23032001302.

It is a junction number, because it is equal to n+sod(n) for n = 20310022997 and 20310023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310023033) 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, 520648 + ... + 558295.

It is an arithmetic number, because the mean of its divisors is an integer number (1288663740).

Almost surely, 2^20310023032 is an apocalyptic number.

It is an amenable number.

20310023032 is an abundant number, since it is smaller than the sum of its proper divisors (20927216648).

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

20310023032 is a wasteful number, since it uses less digits than its factorization.

20310023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079143 (or 1079139 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20310023032 its reverse (23032001302), we get a palindrome (43342024334).

The spelling of 20310023032 in words is "twenty billion, three hundred ten million, twenty-three thousand, thirty-two".