204424424 has 32 divisors (see below), whose sum is σ = 387801000. Its totient is φ = 101018880.

The previous prime is 204424421. The next prime is 204424427. The reversal of 204424424 is 424424402.

It is an interprime number because it is at equal distance from previous prime (204424421) and next prime (204424427).

It can be written as a sum of positive squares in 4 ways, for example, as 71944324 + 132480100 = 8482^2 + 11510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204424393 and 204424402.

It is not an unprimeable number, because it can be changed into a prime (204424421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377594 + ... + 378134.

Almost surely, 2^204424424 is an apocalyptic number.

It is an amenable number.

204424424 is a deficient number, since it is larger than the sum of its proper divisors (183376576).

204424424 is a wasteful number, since it uses less digits than its factorization.

204424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 204424424 is about 14297.7069490181. The cubic root of 204424424 is about 589.0844979915.

Adding to 204424424 its reverse (424424402), we get a palindrome (628848826).

The spelling of 204424424 in words is "two hundred four million, four hundred twenty-four thousand, four hundred twenty-four".