204304023424 has 32 divisors (see below), whose sum is σ = 410963520240. Its totient is φ = 101160238080.

The previous prime is 204304023409. The next prime is 204304023487. The reversal of 204304023424 is 424320403402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 204304023392 and 204304023401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7734997 + ... + 7761364.

Almost surely, 2^204304023424 is an apocalyptic number.

It is an amenable number.

204304023424 is an abundant number, since it is smaller than the sum of its proper divisors (206659496816).

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

204304023424 is a wasteful number, since it uses less digits than its factorization.

204304023424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15496478 (or 15496466 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 204304023424 its reverse (424320403402), we get a palindrome (628624426826).

The spelling of 204304023424 in words is "two hundred four billion, three hundred four million, twenty-three thousand, four hundred twenty-four".