204254780 has 12 divisors (see below), whose sum is σ = 428935080. Its totient is φ = 81701904.

The previous prime is 204254777. The next prime is 204254819. The reversal of 204254780 is 87452402.

204254780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5106350 + ... + 5106389.

It is an arithmetic number, because the mean of its divisors is an integer number (35744590).

Almost surely, 2^204254780 is an apocalyptic number.

204254780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204254780 is an abundant number, since it is smaller than the sum of its proper divisors (224680300).

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

204254780 is a wasteful number, since it uses less digits than its factorization.

204254780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212748 (or 10212746 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 204254780 is about 14291.7731580095. The cubic root of 204254780 is about 588.9215000070.

The spelling of 204254780 in words is "two hundred four million, two hundred fifty-four thousand, seven hundred eighty".