20144044 has 24 divisors (see below), whose sum is σ = 36949248. Its totient is φ = 9591120.

The previous prime is 20144039. The next prime is 20144051. The reversal of 20144044 is 44044102.

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, 31609 + ... + 32239.

It is an arithmetic number, because the mean of its divisors is an integer number (1539552).

Almost surely, 2^20144044 is an apocalyptic number.

It is an amenable number.

20144044 is a deficient number, since it is larger than the sum of its proper divisors (16805204).

20144044 is a wasteful number, since it uses less digits than its factorization.

20144044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1003 counting only the distinct ones).

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

The square root of 20144044 is about 4488.2116705877. The cubic root of 20144044 is about 272.0918627145.

Adding to 20144044 its reverse (44044102), we get a palindrome (64188146).

The spelling of 20144044 in words is "twenty million, one hundred forty-four thousand, forty-four".