206036120045 has 64 divisors (see below), whose sum is σ = 298550568960. Its totient is φ = 133551286272.

The previous prime is 206036120033. The next prime is 206036120053. The reversal of 206036120045 is 540021630602.

It is a cyclic number.

It is not a de Polignac number, because 206036120045 - 2¹⁰ = 206036119021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8326151 + ... + 8350859.

It is an arithmetic number, because the mean of its divisors is an integer number (4664852640).

Almost surely, 2^206036120045 is an apocalyptic number.

It is an amenable number.

206036120045 is a deficient number, since it is larger than the sum of its proper divisors (92514448915).

206036120045 is a wasteful number, since it uses less digits than its factorization.

206036120045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24942.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 206036120045 its reverse (540021630602), we get a palindrome (746057750647).

The spelling of 206036120045 in words is "two hundred six billion, thirty-six million, one hundred twenty thousand, forty-five".