20044040231444 has 12 divisors (see below), whose sum is σ = 35279828038644. Its totient is φ = 9964089363264.

The previous prime is 20044040231417. The next prime is 20044040231471. The reversal of 20044040231444 is 44413204044002.

It is an interprime number because it is at equal distance from previous prime (20044040231417) and next prime (20044040231471).

It can be written as a sum of positive squares in 2 ways, for example, as 15706859123344 + 4337181108100 = 3963188^2 + 2082590^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20044040231444.

It is a congruent number.

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, 14482687337 + ... + 14482688720.

It is an arithmetic number, because the mean of its divisors is an integer number (2939985669887).

Almost surely, 2^{20044040231444} is an apocalyptic number.

It is an amenable number.

20044040231444 is a deficient number, since it is larger than the sum of its proper divisors (15235787807200).

20044040231444 is a wasteful number, since it uses less digits than its factorization.

20044040231444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28965376234 (or 28965376232 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20044040231444 its reverse (44413204044002), we get a palindrome (64457244275446).

The spelling of 20044040231444 in words is "twenty trillion, forty-four billion, forty million, two hundred thirty-one thousand, four hundred forty-four".