20000331232 has 48 divisors (see below), whose sum is σ = 45202655232. Its totient is φ = 8533111680.

The previous prime is 20000331229. The next prime is 20000331233. The reversal of 20000331232 is 23213300002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000331233) 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, 150244 + ... + 250147.

It is an arithmetic number, because the mean of its divisors is an integer number (941721984).

Almost surely, 2^20000331232 is an apocalyptic number.

It is an amenable number.

20000331232 is an abundant number, since it is smaller than the sum of its proper divisors (25202324000).

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

20000331232 is a wasteful number, since it uses less digits than its factorization.

20000331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400631 (or 400623 counting only the distinct ones).

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

Adding to 20000331232 its reverse (23213300002), we get a palindrome (43213631234).

The spelling of 20000331232 in words is "twenty billion, three hundred thirty-one thousand, two hundred thirty-two".