20110031032 has 64 divisors (see below), whose sum is σ = 46430092800. Its totient is φ = 7951789440.

The previous prime is 20110031023. The next prime is 20110031033. The reversal of 20110031032 is 23013001102.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110031033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872157 + ... + 1882867.

It is an arithmetic number, because the mean of its divisors is an integer number (725470200).

Almost surely, 2^20110031032 is an apocalyptic number.

It is an amenable number.

20110031032 is an abundant number, since it is smaller than the sum of its proper divisors (26320061768).

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

20110031032 is a wasteful number, since it uses less digits than its factorization.

20110031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13316 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20110031032 its reverse (23013001102), we get a palindrome (43123032134).

The spelling of 20110031032 in words is "twenty billion, one hundred ten million, thirty-one thousand, thirty-two".