206404204 has 24 divisors (see below), whose sum is σ = 371625408. Its totient is φ = 100235520.

The previous prime is 206404199. The next prime is 206404217. The reversal of 206404204 is 402404602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129597 + ... + 131179.

It is an arithmetic number, because the mean of its divisors is an integer number (15484392).

Almost surely, 2^206404204 is an apocalyptic number.

It is an amenable number.

206404204 is a deficient number, since it is larger than the sum of its proper divisors (165221204).

206404204 is a wasteful number, since it uses less digits than its factorization.

206404204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 206404204 is about 14366.7743074080. The cubic root of 206404204 is about 590.9800850861.

Adding to 206404204 its reverse (402404602), we get a palindrome (608808806).

The spelling of 206404204 in words is "two hundred six million, four hundred four thousand, two hundred four".