206042404 has 12 divisors (see below), whose sum is σ = 362871964. Its totient is φ = 102364704.

The previous prime is 206042393. The next prime is 206042413. The reversal of 206042404 is 404240602.

206042404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57153600 + 148888804 = 7560^2 + 12202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163419 + ... + 164674.

Almost surely, 2^206042404 is an apocalyptic number.

It is an amenable number.

206042404 is a deficient number, since it is larger than the sum of its proper divisors (156829560).

206042404 is a wasteful number, since it uses less digits than its factorization.

206042404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328254 (or 328252 counting only the distinct ones).

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

The square root of 206042404 is about 14354.1772317329. The cubic root of 206042404 is about 590.6345791267.

The spelling of 206042404 in words is "two hundred six million, forty-two thousand, four hundred four".