44020131 has 16 divisors (see below), whose sum is σ = 62188800. Its totient is φ = 27619488.

The previous prime is 44020127. The next prime is 44020133. The reversal of 44020131 is 13102044.

It is not a de Polignac number, because 44020131 - 2² = 44020127 is a prime.

It is a super-2 number, since 2×44020131² = 3875543866514322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44020131.

It is not an unprimeable number, because it can be changed into a prime (44020133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6490 + ... + 11408.

It is an arithmetic number, because the mean of its divisors is an integer number (3886800).

Almost surely, 2^44020131 is an apocalyptic number.

44020131 is a deficient number, since it is larger than the sum of its proper divisors (18168669).

44020131 is a wasteful number, since it uses less digits than its factorization.

44020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 44020131 is about 6634.7668384051. The cubic root of 44020131 is about 353.0886658102.

Adding to 44020131 its reverse (13102044), we get a palindrome (57122175).

The spelling of 44020131 in words is "forty-four million, twenty thousand, one hundred thirty-one".