204022 has 32 divisors (see below), whose sum is σ = 403200. Its totient is φ = 75168.

The previous prime is 204019. The next prime is 204023. The reversal of 204022 is 220402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2²⁰⁴⁰²² is an apocalyptic number.

204022 is a deficient number, since it is larger than the sum of its proper divisors (199178).

204022 is a wasteful number, since it uses less digits than its factorization.

204022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 204022 is about 451.6879453782. The cubic root of 204022 is about 58.8697692502.

Adding to 204022 its reverse (220402), we get a palindrome (424424).

It can be divided in two parts, 20402 and 2, that multiplied together give a palindrome (40804).

The spelling of 204022 in words is "two hundred four thousand, twenty-two", and thus it is an iban number.