20031232302 has 24 divisors (see below), whose sum is σ = 43418196120. Its totient is φ = 6674432400.

The previous prime is 20031232297. The next prime is 20031232307. The reversal of 20031232302 is 20323213002.

It is a happy number.

20031232302 is a `hidden beast` number, since 20 + 0 + 312 + 32 + 302 = 666.

20031232302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20031232297) and next prime (20031232307).

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 (20031232307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173449 + ... + 264852.

It is an arithmetic number, because the mean of its divisors is an integer number (1809091505).

Almost surely, 2^20031232302 is an apocalyptic number.

20031232302 is an abundant number, since it is smaller than the sum of its proper divisors (23386963818).

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

20031232302 is a wasteful number, since it uses less digits than its factorization.

20031232302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440848 (or 440845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20031232302 its reverse (20323213002), we get a palindrome (40354445304).

The spelling of 20031232302 in words is "twenty billion, thirty-one million, two hundred thirty-two thousand, three hundred two".