20023031032 has 32 divisors (see below), whose sum is σ = 38066338800. Its totient is φ = 9872800000.

The previous prime is 20023031023. The next prime is 20023031033. The reversal of 20023031032 is 23013032002.

It is a junction number, because it is equal to n+sod(n) for n = 20023030997 and 20023031015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023031033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153444 + ... + 252172.

Almost surely, 2^20023031032 is an apocalyptic number.

It is an amenable number.

20023031032 is a deficient number, since it is larger than the sum of its proper divisors (18043307768).

20023031032 is a wasteful number, since it uses less digits than its factorization.

20023031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99087 (or 99083 counting only the distinct ones).

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

Adding to 20023031032 its reverse (23013032002), we get a palindrome (43036063034).

The spelling of 20023031032 in words is "twenty billion, twenty-three million, thirty-one thousand, thirty-two".