204556872200 has 36 divisors (see below), whose sum is σ = 475609599495. Its totient is φ = 81820190400.

The previous prime is 204556872187. The next prime is 204556872217. The reversal of 204556872200 is 2278655402.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2199047236 + 202357824964 = 46894^2 + 449842^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=319810.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6380210 + ... + 6412190.

Almost surely, 2^204556872200 is an apocalyptic number.

204556872200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204556872200 is an abundant number, since it is smaller than the sum of its proper divisors (271052727295).

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

204556872200 is an frugal number, since it uses more digits than its factorization.

204556872200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63978 (or 31988 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 204556872200 in words is "two hundred four billion, five hundred fifty-six million, eight hundred seventy-two thousand, two hundred".