20444204 has 24 divisors (see below), whose sum is σ = 39219600. Its totient is φ = 9247680.

The previous prime is 20444191. The next prime is 20444213. The reversal of 20444204 is 40244402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9062 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (1634150).

Almost surely, 2^20444204 is an apocalyptic number.

It is an amenable number.

20444204 is a deficient number, since it is larger than the sum of its proper divisors (18775396).

20444204 is a wasteful number, since it uses less digits than its factorization.

20444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 20444204 is about 4521.5267333059. The cubic root of 20444204 is about 273.4366566875.

Adding to 20444204 its reverse (40244402), we get a palindrome (60688606).

The spelling of 20444204 in words is "twenty million, four hundred forty-four thousand, two hundred four".