204420310424 has 32 divisors (see below), whose sum is σ = 422192010240. Its totient is φ = 92016199200.

The previous prime is 204420310399. The next prime is 204420310441. The reversal of 204420310424 is 424013024402.

It is a happy number.

204420310424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204420310393 and 204420310402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11267432 + ... + 11285559.

It is an arithmetic number, because the mean of its divisors is an integer number (13193500320).

Almost surely, 2^204420310424 is an apocalyptic number.

It is an amenable number.

204420310424 is an abundant number, since it is smaller than the sum of its proper divisors (217771699816).

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

204420310424 is a wasteful number, since it uses less digits than its factorization.

204420310424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22553111 (or 22553107 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204420310424 its reverse (424013024402), we get a palindrome (628433334826).

The spelling of 204420310424 in words is "two hundred four billion, four hundred twenty million, three hundred ten thousand, four hundred twenty-four".