205872000204 has 72 divisors (see below), whose sum is σ = 524765585232. Its totient is φ = 62784583680.

The previous prime is 205872000199. The next prime is 205872000211. The reversal of 205872000204 is 402000278502.

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, 220017 + ... + 678344.

It is an arithmetic number, because the mean of its divisors is an integer number (7288410906).

Almost surely, 2^205872000204 is an apocalyptic number.

It is an amenable number.

205872000204 is an abundant number, since it is smaller than the sum of its proper divisors (318893585028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205872000204 is a wasteful number, since it uses less digits than its factorization.

205872000204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898507 (or 898492 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 205872000204 its reverse (402000278502), we get a palindrome (607872278706).

The spelling of 205872000204 in words is "two hundred five billion, eight hundred seventy-two million, two hundred four", and thus it is an aban number.