206040706 has 4 divisors (see below), whose sum is σ = 309061062. Its totient is φ = 103020352.

The previous prime is 206040691. The next prime is 206040713. The reversal of 206040706 is 607040602.

206040706 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 204919225 + 1121481 = 14315^2 + 1059^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510175 + ... + 51510178.

Almost surely, 2^206040706 is an apocalyptic number.

206040706 is a deficient number, since it is larger than the sum of its proper divisors (103020356).

206040706 is a wasteful number, since it uses less digits than its factorization.

206040706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103020355.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 206040706 is about 14354.1180850653. The cubic root of 206040706 is about 590.6329566447.

The spelling of 206040706 in words is "two hundred six million, forty thousand, seven hundred six".