20304044504 has 8 divisors (see below), whose sum is σ = 38070083460. Its totient is φ = 10152022248.

The previous prime is 20304044471. The next prime is 20304044507. The reversal of 20304044504 is 40544040302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304044507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269002774 + ... + 1269002789.

Almost surely, 2^20304044504 is an apocalyptic number.

It is an amenable number.

20304044504 is a deficient number, since it is larger than the sum of its proper divisors (17766038956).

20304044504 is a wasteful number, since it uses less digits than its factorization.

20304044504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538005569 (or 2538005565 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20304044504 its reverse (40544040302), we get a palindrome (60848084806).

The spelling of 20304044504 in words is "twenty billion, three hundred four million, forty-four thousand, five hundred four".