20140044 has 12 divisors (see below), whose sum is σ = 46993464. Its totient is φ = 6713344.

The previous prime is 20140031. The next prime is 20140067. The reversal of 20140044 is 44004102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839157 + ... + 839180.

It is an arithmetic number, because the mean of its divisors is an integer number (3916122).

Almost surely, 2^20140044 is an apocalyptic number.

It is an amenable number.

20140044 is an abundant number, since it is smaller than the sum of its proper divisors (26853420).

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

20140044 is a wasteful number, since it uses less digits than its factorization.

20140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678344 (or 1678342 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20140044 is about 4487.7660366824. The cubic root of 20140044 is about 272.0738517745.

Adding to 20140044 its reverse (44004102), we get a palindrome (64144146).

The spelling of 20140044 in words is "twenty million, one hundred forty thousand, forty-four".