20403110232 has 48 divisors (see below), whose sum is σ = 56301045840. Its totient is φ = 6672714048.

The previous prime is 20403110213. The next prime is 20403110239. The reversal of 20403110232 is 23201130402.

20403110232 is a `hidden beast` number, since 20 + 403 + 1 + 10 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403110239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2669548 + ... + 2677179.

It is an arithmetic number, because the mean of its divisors is an integer number (1172938455).

Almost surely, 2^20403110232 is an apocalyptic number.

It is an amenable number.

20403110232 is an abundant number, since it is smaller than the sum of its proper divisors (35897935608).

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

20403110232 is a wasteful number, since it uses less digits than its factorization.

20403110232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346792 (or 5346785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20403110232 its reverse (23201130402), we get a palindrome (43604240634).

The spelling of 20403110232 in words is "twenty billion, four hundred three million, one hundred ten thousand, two hundred thirty-two".