20168944 has 20 divisors (see below), whose sum is σ = 39234096. Its totient is φ = 10044032.

The previous prime is 20168933. The next prime is 20168947. The reversal of 20168944 is 44986102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20168947) 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, 1812 + ... + 6604.

Almost surely, 2^20168944 is an apocalyptic number.

It is an amenable number.

20168944 is a deficient number, since it is larger than the sum of its proper divisors (19065152).

20168944 is a wasteful number, since it uses less digits than its factorization.

20168944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 20168944 is about 4490.9847472464. The cubic root of 20168944 is about 272.2039272324.

It can be divided in two parts, 20168 and 944, that added together give a palindrome (21112).

The spelling of 20168944 in words is "twenty million, one hundred sixty-eight thousand, nine hundred forty-four".