20223626 has 8 divisors (see below), whose sum is σ = 30490020. Its totient is φ = 10060288.

The previous prime is 20223617. The next prime is 20223629. The reversal of 20223626 is 62632202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14938225 + 5285401 = 3865^2 + 2299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20223629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25271 + ... + 26058.

Almost surely, 2^20223626 is an apocalyptic number.

20223626 is a deficient number, since it is larger than the sum of its proper divisors (10266394).

20223626 is a wasteful number, since it uses less digits than its factorization.

20223626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51528.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20223626 is about 4497.0686007665. The cubic root of 20223626 is about 272.4497048270.

Adding to 20223626 its reverse (62632202), we get a palindrome (82855828).

The spelling of 20223626 in words is "twenty million, two hundred twenty-three thousand, six hundred twenty-six".