20331122032 has 20 divisors (see below), whose sum is σ = 42421668520. Its totient is φ = 9383594688.

The previous prime is 20331122029. The next prime is 20331122039. The reversal of 20331122032 is 23022113302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331122039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48872682 + ... + 48873097.

It is an arithmetic number, because the mean of its divisors is an integer number (2121083426).

Almost surely, 2^20331122032 is an apocalyptic number.

It is an amenable number.

20331122032 is an abundant number, since it is smaller than the sum of its proper divisors (22090546488).

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

20331122032 is a wasteful number, since it uses less digits than its factorization.

20331122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97745800 (or 97745794 counting only the distinct ones).

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

Adding to 20331122032 its reverse (23022113302), we get a palindrome (43353235334).

The spelling of 20331122032 in words is "twenty billion, three hundred thirty-one million, one hundred twenty-two thousand, thirty-two".