204732920 has 32 divisors (see below), whose sum is σ = 526456800. Its totient is φ = 70194048.

The previous prime is 204732917. The next prime is 204732929. The reversal of 204732920 is 29237402.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204732929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365315 + ... + 365874.

It is an arithmetic number, because the mean of its divisors is an integer number (16451775).

Almost surely, 2^204732920 is an apocalyptic number.

204732920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204732920 is an abundant number, since it is smaller than the sum of its proper divisors (321723880).

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

204732920 is a wasteful number, since it uses less digits than its factorization.

204732920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731207 (or 731203 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 204732920 is about 14308.4911853067. The cubic root of 204732920 is about 589.3806773296.

The spelling of 204732920 in words is "two hundred four million, seven hundred thirty-two thousand, nine hundred twenty".