204005888 has 80 divisors (see below), whose sum is σ = 436861920. Its totient is φ = 94887936.

The previous prime is 204005881. The next prime is 204005903. The reversal of 204005888 is 888500402.

It is not an unprimeable number, because it can be changed into a prime (204005881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651620 + ... + 651932.

It is an arithmetic number, because the mean of its divisors is an integer number (5460774).

Almost surely, 2^204005888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204005888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218430960).

204005888 is an abundant number, since it is smaller than the sum of its proper divisors (232856032).

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

204005888 is an equidigital number, since it uses as much as digits as its factorization.

204005888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 204005888 is about 14283.0629768268. The cubic root of 204005888 is about 588.6821952407.

The spelling of 204005888 in words is "two hundred four million, five thousand, eight hundred eighty-eight".