20422204 has 12 divisors (see below), whose sum is σ = 38987928. Its totient is φ = 9282800.

The previous prime is 20422189. The next prime is 20422243. The reversal of 20422204 is 40222402.

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, 232027 + ... + 232114.

It is an arithmetic number, because the mean of its divisors is an integer number (3248994).

Almost surely, 2^20422204 is an apocalyptic number.

It is an amenable number.

20422204 is a deficient number, since it is larger than the sum of its proper divisors (18565724).

20422204 is a wasteful number, since it uses less digits than its factorization.

20422204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464156 (or 464154 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20422204 is about 4519.0932718854. The cubic root of 20422204 is about 273.3385397911.

Adding to 20422204 its reverse (40222402), we get a palindrome (60644606).

It can be divided in two parts, 20 and 422204, that added together give a palindrome (422224).

The spelling of 20422204 in words is "twenty million, four hundred twenty-two thousand, two hundred four".