204002404 has 12 divisors (see below), whose sum is σ = 362333104. Its totient is φ = 100478664.

The previous prime is 204002399. The next prime is 204002473. The reversal of 204002404 is 404200402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380334 + ... + 380869.

Almost surely, 2^204002404 is an apocalyptic number.

It is an amenable number.

204002404 is a deficient number, since it is larger than the sum of its proper divisors (158330700).

204002404 is a wasteful number, since it uses less digits than its factorization.

204002404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761274 (or 761272 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 204002404 is about 14282.9410136708. The cubic root of 204002404 is about 588.6788440622.

Adding to 204002404 its reverse (404200402), we get a palindrome (608202806).

The spelling of 204002404 in words is "two hundred four million, two thousand, four hundred four".