20044244244001 has 4 divisors (see below), whose sum is σ = 20044718627652. Its totient is φ = 20043769860352.

The previous prime is 20044244243939. The next prime is 20044244244023. The reversal of 20044244244001 is 10044244244002.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15927602083600 + 4116642160401 = 3990940^2 + 2028951^2 .

It is a cyclic number.

It is not a de Polignac number, because 20044244244001 - 2⁷ = 20044244243873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20044244244601) 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, 237128440 + ... + 237212953.

It is an arithmetic number, because the mean of its divisors is an integer number (5011179656913).

Almost surely, 2^{20044244244001} is an apocalyptic number.

It is an amenable number.

20044244244001 is a deficient number, since it is larger than the sum of its proper divisors (474383651).

20044244244001 is an equidigital number, since it uses as much as digits as its factorization.

20044244244001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474383650.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 20044244244001 its reverse (10044244244002), we get a palindrome (30088488488003).

Subtracting from 20044244244001 its reverse (10044244244002), we obtain a palindrome (9999999999999).

The spelling of 20044244244001 in words is "twenty trillion, forty-four billion, two hundred forty-four million, two hundred forty-four thousand, one".