20444322 has 24 divisors (see below), whose sum is σ = 41930928. Its totient is φ = 6645280.

The previous prime is 20444293. The next prime is 20444327. The reversal of 20444322 is 22344402.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20444327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9073 + ... + 11099.

It is an arithmetic number, because the mean of its divisors is an integer number (1747122).

Almost surely, 2^20444322 is an apocalyptic number.

20444322 is an abundant number, since it is smaller than the sum of its proper divisors (21486606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444322 is a wasteful number, since it uses less digits than its factorization.

20444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 20444322 is about 4521.5397819769. The cubic root of 20444322 is about 273.4371827610.

Adding to 20444322 its reverse (22344402), we get a palindrome (42788724).

The spelling of 20444322 in words is "twenty million, four hundred forty-four thousand, three hundred twenty-two".