204988650 has 48 divisors (see below), whose sum is σ = 530483904. Its totient is φ = 52286080.

The previous prime is 204988633. The next prime is 204988661. The reversal of 204988650 is 56889402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26259 + ... + 33158.

It is an arithmetic number, because the mean of its divisors is an integer number (11051748).

Almost surely, 2^204988650 is an apocalyptic number.

204988650 is an abundant number, since it is smaller than the sum of its proper divisors (325495254).

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

204988650 is a wasteful number, since it uses less digits than its factorization.

204988650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59455 (or 59450 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 204988650 is about 14317.4246985972. The cubic root of 204988650 is about 589.6259718803.

The spelling of 204988650 in words is "two hundred four million, nine hundred eighty-eight thousand, six hundred fifty".