220204 has 6 divisors (see below), whose sum is σ = 385364. Its totient is φ = 110100.

The previous prime is 220189. The next prime is 220217. The reversal of 220204 is 402022.

It is a happy number.

220204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27522 + ... + 27529.

2²²⁰²⁰⁴ is an apocalyptic number.

It is an amenable number.

220204 is a deficient number, since it is larger than the sum of its proper divisors (165160).

220204 is a wasteful number, since it uses less digits than its factorization.

220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55055 (or 55053 counting only the distinct ones).

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

The square root of 220204 is about 469.2589903241. The cubic root of 220204 is about 60.3867608367.

Adding to 220204 its reverse (402022), we get a palindrome (622226).

It can be divided in two parts, 220 and 204, that added together give a palindrome (424).

The spelling of 220204 in words is "two hundred twenty thousand, two hundred four", and thus it is an iban number.