20331004304 has 20 divisors (see below), whose sum is σ = 42421422876. Its totient is φ = 9383540352.

The previous prime is 20331004301. The next prime is 20331004391. The reversal of 20331004304 is 40340013302.

It can be written as a sum of positive squares in 2 ways, for example, as 2227840000 + 18103164304 = 47200^2 + 134548^2 .

It is not an unprimeable number, because it can be changed into a prime (20331004301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48872399 + ... + 48872814.

Almost surely, 2^20331004304 is an apocalyptic number.

It is an amenable number.

20331004304 is an abundant number, since it is smaller than the sum of its proper divisors (22090418572).

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

20331004304 is a wasteful number, since it uses less digits than its factorization.

20331004304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97745234 (or 97745228 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20331004304 its reverse (40340013302), we get a palindrome (60671017606).

The spelling of 20331004304 in words is "twenty billion, three hundred thirty-one million, four thousand, three hundred four".