204285900 has 216 divisors, whose sum is σ = 741150480. Its totient is φ = 43061760.

The previous prime is 204285899. The next prime is 204285919. The reversal of 204285900 is 9582402.

204285900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 190566 + ... + 191634.

Almost surely, 2^204285900 is an apocalyptic number.

204285900 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 204285900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370575240).

204285900 is an abundant number, since it is smaller than the sum of its proper divisors (536864580).

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

204285900 is a wasteful number, since it uses less digits than its factorization.

204285900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 204285900 is about 14292.8618547861. The cubic root of 204285900 is about 588.9514075998.

The spelling of 204285900 in words is "two hundred four million, two hundred eighty-five thousand, nine hundred".