20200031232 has 88 divisors (see below), whose sum is σ = 54012895296. Its totient is φ = 6711779328.

The previous prime is 20200031231. The next prime is 20200031251. The reversal of 20200031232 is 23213000202.

It is not an unprimeable number, because it can be changed into a prime (20200031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963453 + ... + 984195.

Almost surely, 2^20200031232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27006447648).

20200031232 is an abundant number, since it is smaller than the sum of its proper divisors (33812864064).

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

20200031232 is a wasteful number, since it uses less digits than its factorization.

20200031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21083 (or 21065 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20200031232 its reverse (23213000202), we get a palindrome (43413031434).

The spelling of 20200031232 in words is "twenty billion, two hundred million, thirty-one thousand, two hundred thirty-two".