20123204 has 12 divisors (see below), whose sum is σ = 37069200. Its totient is φ = 9532008.

The previous prime is 20123179. The next prime is 20123231. The reversal of 20123204 is 40232102.

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, 132314 + ... + 132465.

It is an arithmetic number, because the mean of its divisors is an integer number (3089100).

Almost surely, 2^20123204 is an apocalyptic number.

It is an amenable number.

20123204 is a deficient number, since it is larger than the sum of its proper divisors (16945996).

20123204 is a wasteful number, since it uses less digits than its factorization.

20123204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264802 (or 264800 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20123204 is about 4485.8894324314. The cubic root of 20123204 is about 271.9979995528.

Adding to 20123204 its reverse (40232102), we get a palindrome (60355306).

The spelling of 20123204 in words is "twenty million, one hundred twenty-three thousand, two hundred four".