20204001232 has 10 divisors (see below), whose sum is σ = 39145252418. Its totient is φ = 10102000608.

The previous prime is 20204001221. The next prime is 20204001239. The reversal of 20204001232 is 23210040202.

It can be written as a sum of positive squares in only one way, i.e., 20199231376 + 4769856 = 142124^2 + 2184^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1262750077 = 20204001232 / (2 + 0 + 2 + 0 + 4 + 0 + 0 + 1 + 2 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204001239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631375023 + ... + 631375054.

Almost surely, 2^20204001232 is an apocalyptic number.

It is an amenable number.

20204001232 is a deficient number, since it is larger than the sum of its proper divisors (18941251186).

20204001232 is a wasteful number, since it uses less digits than its factorization.

20204001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262750085 (or 1262750079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20204001232 its reverse (23210040202), we get a palindrome (43414041434).

The spelling of 20204001232 in words is "twenty billion, two hundred four million, one thousand, two hundred thirty-two".