204803220 has 48 divisors (see below), whose sum is σ = 593228160. Its totient is φ = 52730496.

The previous prime is 204803189. The next prime is 204803227. The reversal of 204803220 is 22308402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204803227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57112 + ... + 60591.

It is an arithmetic number, because the mean of its divisors is an integer number (12358920).

Almost surely, 2^204803220 is an apocalyptic number.

204803220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204803220 is an abundant number, since it is smaller than the sum of its proper divisors (388424940).

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

204803220 is a wasteful number, since it uses less digits than its factorization.

204803220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117744 (or 117742 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 204803220 is about 14310.9475577266. The cubic root of 204803220 is about 589.4481289802.

The spelling of 204803220 in words is "two hundred four million, eight hundred three thousand, two hundred twenty".