204562 has 8 divisors (see below), whose sum is σ = 320256. Its totient is φ = 97812.

The previous prime is 204557. The next prime is 204563. The reversal of 204562 is 265402.

204562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204562² = 83691223688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (40032).

2²⁰⁴⁵⁶² is an apocalyptic number.

204562 is a deficient number, since it is larger than the sum of its proper divisors (115694).

204562 is a wasteful number, since it uses less digits than its factorization.

204562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 204562 is about 452.2853081850. The cubic root of 204562 is about 58.9216618074.

Adding to 204562 its reverse (265402), we get a palindrome (469964).

The spelling of 204562 in words is "two hundred four thousand, five hundred sixty-two".