205013996285 has 16 divisors (see below), whose sum is σ = 285771268992. Its totient is φ = 138276417600.

The previous prime is 205013996273. The next prime is 205013996311. The reversal of 205013996285 is 582699310502.

It is not a de Polignac number, because 205013996285 - 2¹² = 205013992189 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 48010511 + ... + 48014780.

It is an arithmetic number, because the mean of its divisors is an integer number (17860704312).

Almost surely, 2^205013996285 is an apocalyptic number.

It is an amenable number.

205013996285 is a deficient number, since it is larger than the sum of its proper divisors (80757272707).

205013996285 is an equidigital number, since it uses as much as digits as its factorization.

205013996285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96025364.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 205013996285 in words is "two hundred five billion, thirteen million, nine hundred ninety-six thousand, two hundred eighty-five".