204028650 has 216 divisors, whose sum is σ = 672590880. Its totient is φ = 44089920.

The previous prime is 204028621. The next prime is 204028661. The reversal of 204028650 is 56820402.

204028650 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 2 + 8 + 650 = 666.

204028650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 418707 + ... + 419193.

Almost surely, 2^204028650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204028650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336295440).

204028650 is an abundant number, since it is smaller than the sum of its proper divisors (468562230).

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

204028650 is a wasteful number, since it uses less digits than its factorization.

204028650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 204028650 is about 14283.8597724845. The cubic root of 204028650 is about 588.7040885399.

The spelling of 204028650 in words is "two hundred four million, twenty-eight thousand, six hundred fifty".