44420020131 has 4 divisors (see below), whose sum is σ = 59226693512. Its totient is φ = 29613346752.

The previous prime is 44420020109. The next prime is 44420020153. The reversal of 44420020131 is 13102002444.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (44420020109) and next prime (44420020153).

It is not a de Polignac number, because 44420020131 - 2¹⁹ = 44419495843 is a prime.

It is a super-2 number, since 2×44420020131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44420020098 and 44420020107.

It is not an unprimeable number, because it can be changed into a prime (44420020531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7403336686 + ... + 7403336691.

It is an arithmetic number, because the mean of its divisors is an integer number (14806673378).

Almost surely, 2^44420020131 is an apocalyptic number.

44420020131 is a deficient number, since it is larger than the sum of its proper divisors (14806673381).

44420020131 is a wasteful number, since it uses less digits than its factorization.

44420020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14806673380.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 44420020131 its reverse (13102002444), we get a palindrome (57522022575).

The spelling of 44420020131 in words is "forty-four billion, four hundred twenty million, twenty thousand, one hundred thirty-one".