206413204 has 6 divisors (see below), whose sum is σ = 361223114. Its totient is φ = 103206600.

The previous prime is 206413189. The next prime is 206413241. The reversal of 206413204 is 402314602.

It is a happy number.

206413204 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 only one way, i.e., 119028100 + 87385104 = 10910^2 + 9348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25801647 + ... + 25801654.

Almost surely, 2^206413204 is an apocalyptic number.

It is an amenable number.

206413204 is a deficient number, since it is larger than the sum of its proper divisors (154809910).

206413204 is a wasteful number, since it uses less digits than its factorization.

206413204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51603305 (or 51603303 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 206413204 is about 14367.0875267049. The cubic root of 206413204 is about 590.9886746131.

Adding to 206413204 its reverse (402314602), we get a palindrome (608727806).

The spelling of 206413204 in words is "two hundred six million, four hundred thirteen thousand, two hundred four".