20224233 has 12 divisors (see below), whose sum is σ = 29892720. Its totient is φ = 13169016.

The previous prime is 20224229. The next prime is 20224247. The reversal of 20224233 is 33242202.

It is not a de Polignac number, because 20224233 - 2² = 20224229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20224273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25743 + ... + 26516.

It is an arithmetic number, because the mean of its divisors is an integer number (2491060).

Almost surely, 2^20224233 is an apocalyptic number.

It is an amenable number.

20224233 is a deficient number, since it is larger than the sum of its proper divisors (9668487).

20224233 is a wasteful number, since it uses less digits than its factorization.

20224233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52308 (or 52305 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20224233 is about 4497.1360886680. The cubic root of 20224233 is about 272.4524306045.

Adding to 20224233 its reverse (33242202), we get a palindrome (53466435).

The spelling of 20224233 in words is "twenty million, two hundred twenty-four thousand, two hundred thirty-three".