20183224 has 16 divisors (see below), whose sum is σ = 37897200. Its totient is φ = 10077312.

The previous prime is 20183209. The next prime is 20183227. The reversal of 20183224 is 42238102.

It is a junction number, because it is equal to n+sod(n) for n = 20183195 and 20183204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20183227) 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, 6432 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (2368575).

Almost surely, 2^20183224 is an apocalyptic number.

It is an amenable number.

20183224 is a deficient number, since it is larger than the sum of its proper divisors (17713976).

20183224 is a wasteful number, since it uses less digits than its factorization.

20183224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20183224 is about 4492.5743176936. The cubic root of 20183224 is about 272.2681539476.

The spelling of 20183224 in words is "twenty million, one hundred eighty-three thousand, two hundred twenty-four".