204683480 has 64 divisors (see below), whose sum is σ = 475735680. Its totient is φ = 79206400.

The previous prime is 204683467. The next prime is 204683513. The reversal of 204683480 is 84386402.

It is a self number, because there is not a number n which added to its sum of digits gives 204683480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224225 + ... + 225135.

It is an arithmetic number, because the mean of its divisors is an integer number (7433370).

Almost surely, 2^204683480 is an apocalyptic number.

204683480 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 204683480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237867840).

204683480 is an abundant number, since it is smaller than the sum of its proper divisors (271052200).

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

204683480 is a wasteful number, since it uses less digits than its factorization.

204683480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 204683480 is about 14306.7634355224. The cubic root of 204683480 is about 589.3332312447. Note that the first 3 decimals are identical.

The spelling of 204683480 in words is "two hundred four million, six hundred eighty-three thousand, four hundred eighty".