204210404 has 12 divisors (see below), whose sum is σ = 376177200. Its totient is φ = 96731208.

The previous prime is 204210403. The next prime is 204210407. The reversal of 204210404 is 404012402.

It is not an unprimeable number, because it can be changed into a prime (204210403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343414 + ... + 1343565.

It is an arithmetic number, because the mean of its divisors is an integer number (31348100).

Almost surely, 2^204210404 is an apocalyptic number.

It is an amenable number.

204210404 is a deficient number, since it is larger than the sum of its proper divisors (171966796).

204210404 is a wasteful number, since it uses less digits than its factorization.

204210404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687002 (or 2687000 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204210404 is about 14290.2205721255. The cubic root of 204210404 is about 588.8788476012.

Adding to 204210404 its reverse (404012402), we get a palindrome (608222806).

The spelling of 204210404 in words is "two hundred four million, two hundred ten thousand, four hundred four".