20444203113131 has 8 divisors (see below), whose sum is σ = 23399012646144. Its totient is φ = 17497945852200.

The previous prime is 20444203113119. The next prime is 20444203113133. The reversal of 20444203113131 is 13131130244402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20444203113131 - 2¹⁴ = 20444203096747 is a prime.

It is a super-2 number, since 2×20444203113131² (a number of 27 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 = 20444203113094 and 20444203113103.

It is not an unprimeable number, because it can be changed into a prime (20444203113133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138062895 + ... + 2138072456.

It is an arithmetic number, because the mean of its divisors is an integer number (2924876580768).

Almost surely, 2^{20444203113131} is an apocalyptic number.

20444203113131 is a deficient number, since it is larger than the sum of its proper divisors (2954809533013).

20444203113131 is an equidigital number, since it uses as much as digits as its factorization.

20444203113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276136041.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20444203113131 its reverse (13131130244402), we get a palindrome (33575333357533).

The spelling of 20444203113131 in words is "twenty trillion, four hundred forty-four billion, two hundred three million, one hundred thirteen thousand, one hundred thirty-one".