20224413 has 24 divisors (see below), whose sum is σ = 32026176. Its totient is φ = 12196800.

The previous prime is 20224387. The next prime is 20224423. The reversal of 20224413 is 31442202.

It is not a de Polignac number, because 20224413 - 2⁸ = 20224157 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27456 + ... + 28182.

It is an arithmetic number, because the mean of its divisors is an integer number (1334424).

Almost surely, 2^20224413 is an apocalyptic number.

It is an amenable number.

20224413 is a deficient number, since it is larger than the sum of its proper divisors (11801763).

20224413 is a wasteful number, since it uses less digits than its factorization.

20224413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20224413 is about 4497.1561013601. The cubic root of 20224413 is about 272.4532388971.

Adding to 20224413 its reverse (31442202), we get a palindrome (51666615).

The spelling of 20224413 in words is "twenty million, two hundred twenty-four thousand, four hundred thirteen".