204523455200 has 72 divisors (see below), whose sum is σ = 499739686488. Its totient is φ = 81736174080.

The previous prime is 204523455179. The next prime is 204523455247. The reversal of 204523455200 is 2554325402.

It is a super-3 number, since 3×204523455200³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 784574 + ... + 1012226.

It is an arithmetic number, because the mean of its divisors is an integer number (6940828979).

Almost surely, 2^204523455200 is an apocalyptic number.

204523455200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204523455200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249869843244).

204523455200 is an abundant number, since it is smaller than the sum of its proper divisors (295216231288).

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

204523455200 is a wasteful number, since it uses less digits than its factorization.

204523455200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228796 (or 228783 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 204523455200 in words is "two hundred four billion, five hundred twenty-three million, four hundred fifty-five thousand, two hundred".