20041144 has 8 divisors (see below), whose sum is σ = 37577160. Its totient is φ = 10020568.

The previous prime is 20041121. The next prime is 20041183. The reversal of 20041144 is 44114002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252564 + ... + 1252579.

It is an arithmetic number, because the mean of its divisors is an integer number (4697145).

Almost surely, 2^20041144 is an apocalyptic number.

It is an amenable number.

20041144 is a deficient number, since it is larger than the sum of its proper divisors (17536016).

20041144 is a wasteful number, since it uses less digits than its factorization.

20041144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505149 (or 2505145 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20041144 is about 4476.7336306731. The cubic root of 20041144 is about 271.6277708291.

Adding to 20041144 its reverse (44114002), we get a palindrome (64155146).

The spelling of 20041144 in words is "twenty million, forty-one thousand, one hundred forty-four".