204056 has 16 divisors (see below), whose sum is σ = 399600. Its totient is φ = 97504.

The previous prime is 204047. The next prime is 204059. The reversal of 204056 is 650402.

204056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204056² = 83277702272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204059) by changing a digit.

204056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (24975).

2²⁰⁴⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

204056 is a deficient number, since it is larger than the sum of its proper divisors (195544).

204056 is a wasteful number, since it uses less digits than its factorization.

204056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 204056 is about 451.7255804136. The cubic root of 204056 is about 58.8730392587.

Adding to 204056 its reverse (650402), we get a palindrome (854458).

The spelling of 204056 in words is "two hundred four thousand, fifty-six".