206205364 has 12 divisors (see below), whose sum is σ = 366245824. Its totient is φ = 101563704.

The previous prime is 206205331. The next prime is 206205367. The reversal of 206205364 is 463502602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206205367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384444 + ... + 384979.

Almost surely, 2^206205364 is an apocalyptic number.

It is an amenable number.

206205364 is a deficient number, since it is larger than the sum of its proper divisors (160040460).

206205364 is a wasteful number, since it uses less digits than its factorization.

206205364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769494 (or 769492 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 206205364 is about 14359.8525062063. The cubic root of 206205364 is about 590.7902500718.

Adding to 206205364 its reverse (463502602), we get a palindrome (669707966).

The spelling of 206205364 in words is "two hundred six million, two hundred five thousand, three hundred sixty-four".