20444104 has 16 divisors (see below), whose sum is σ = 38534220. Its totient is φ = 10168320.

The previous prime is 20444087. The next prime is 20444111. The reversal of 20444104 is 40144402.

It can be written as a sum of positive squares in 2 ways, for example, as 19448100 + 996004 = 4410^2 + 998^2 .

It is a super-2 number, since 2×20444104² = 835922776725632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5077 + ... + 8164.

Almost surely, 2^20444104 is an apocalyptic number.

It is an amenable number.

20444104 is a deficient number, since it is larger than the sum of its proper divisors (18090116).

20444104 is a wasteful number, since it uses less digits than its factorization.

20444104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440 (or 13436 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20444104 is about 4521.5156750806. The cubic root of 20444104 is about 273.4362108609.

Adding to 20444104 its reverse (40144402), we get a palindrome (60588506).

The spelling of 20444104 in words is "twenty million, four hundred forty-four thousand, one hundred four".