204386480 has 20 divisors (see below), whose sum is σ = 475198752. Its totient is φ = 81754560.

The previous prime is 204386473. The next prime is 204386491. The reversal of 204386480 is 84683402.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 204386480.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277336 + ... + 1277495.

Almost surely, 2^204386480 is an apocalyptic number.

204386480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204386480 is an abundant number, since it is smaller than the sum of its proper divisors (270812272).

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

204386480 is a wasteful number, since it uses less digits than its factorization.

204386480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554844 (or 2554838 counting only the distinct ones).

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

The square root of 204386480 is about 14296.3799613748. The cubic root of 204386480 is about 589.0480483266.

The spelling of 204386480 in words is "two hundred four million, three hundred eighty-six thousand, four hundred eighty".