205016852205 has 24 divisors (see below), whose sum is σ = 387668230560. Its totient is φ = 99402109920.

The previous prime is 205016852191. The next prime is 205016852267. The reversal of 205016852205 is 502258610502.

It is a happy number.

205016852205 is a `hidden beast` number, since 20 + 50 + 1 + 68 + 522 + 0 + 5 = 666.

It is not a de Polignac number, because 205016852205 - 2⁹ = 205016851693 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 205016852205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207087235 + ... + 207088224.

It is an arithmetic number, because the mean of its divisors is an integer number (16152842940).

Almost surely, 2^205016852205 is an apocalyptic number.

It is an amenable number.

205016852205 is a deficient number, since it is larger than the sum of its proper divisors (182651378355).

205016852205 is a wasteful number, since it uses less digits than its factorization.

205016852205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414175481 (or 414175478 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 205016852205 in words is "two hundred five billion, sixteen million, eight hundred fifty-two thousand, two hundred five".