206042306 has 16 divisors (see below), whose sum is σ = 319956480. Its totient is φ = 99409440.

The previous prime is 206042299. The next prime is 206042321. The reversal of 206042306 is 603240602.

206042306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 17630 + ... + 26886.

It is an arithmetic number, because the mean of its divisors is an integer number (19997280).

Almost surely, 2^206042306 is an apocalyptic number.

206042306 is a deficient number, since it is larger than the sum of its proper divisors (113914174).

206042306 is a wasteful number, since it uses less digits than its factorization.

206042306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 206042306 is about 14354.1738180921. The cubic root of 206042306 is about 590.6344854854.

Adding to 206042306 its reverse (603240602), we get a palindrome (809282908).

The spelling of 206042306 in words is "two hundred six million, forty-two thousand, three hundred six".