20323226 has 16 divisors (see below), whose sum is σ = 38007360. Its totient is φ = 7918080.

The previous prime is 20323201. The next prime is 20323267. The reversal of 20323226 is 62232302.

It is a happy number.

20323226 is nontrivially palindromic in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 20323198 and 20323207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65831 + ... + 66138.

It is an arithmetic number, because the mean of its divisors is an integer number (2375460).

Almost surely, 2^20323226 is an apocalyptic number.

20323226 is a deficient number, since it is larger than the sum of its proper divisors (17684134).

20323226 is a wasteful number, since it uses less digits than its factorization.

20323226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131989.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20323226 is about 4508.1288801453. The cubic root of 20323226 is about 272.8962380788.

Adding to 20323226 its reverse (62232302), we get a palindrome (82555528).

The spelling of 20323226 in words is "twenty million, three hundred twenty-three thousand, two hundred twenty-six".