20368844 has 12 divisors (see below), whose sum is σ = 35826000. Its totient is φ = 10132848.

The previous prime is 20368837. The next prime is 20368849. The reversal of 20368844 is 44886302.

It is not an unprimeable number, because it can be changed into a prime (20368849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11999 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (2985500).

Almost surely, 2^20368844 is an apocalyptic number.

It is an amenable number.

20368844 is a deficient number, since it is larger than the sum of its proper divisors (15457156).

20368844 is a wasteful number, since it uses less digits than its factorization.

20368844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25792 (or 25790 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 20368844 is about 4513.1855711903. The cubic root of 20368844 is about 273.1002686423.

It can be divided in two parts, 20368 and 844, that added together give a palindrome (21212).

The spelling of 20368844 in words is "twenty million, three hundred sixty-eight thousand, eight hundred forty-four".