20304013304 has 16 divisors (see below), whose sum is σ = 38233419120. Its totient is φ = 10108434880.

The previous prime is 20304013283. The next prime is 20304013307. The reversal of 20304013304 is 40331040302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304013307) 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, 5444492 + ... + 5448219.

It is an arithmetic number, because the mean of its divisors is an integer number (2389588695).

Almost surely, 2^20304013304 is an apocalyptic number.

It is an amenable number.

20304013304 is a deficient number, since it is larger than the sum of its proper divisors (17929405816).

20304013304 is a wasteful number, since it uses less digits than its factorization.

20304013304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892950 (or 10892946 counting only the distinct ones).

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

Adding to 20304013304 its reverse (40331040302), we get a palindrome (60635053606).

The spelling of 20304013304 in words is "twenty billion, three hundred four million, thirteen thousand, three hundred four".