20444143314131 has 8 divisors (see below), whose sum is σ = 21522611321280. Its totient is φ = 19365921353448.

The previous prime is 20444143314083. The next prime is 20444143314139. The reversal of 20444143314131 is 13141334144402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20444143314131 is a prime.

It is a super-2 number, since 2×20444143314131² (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 = 20444143314091 and 20444143314100.

It is not an unprimeable number, because it can be changed into a prime (20444143314139) 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, 61341041 + ... + 61673426.

It is an arithmetic number, because the mean of its divisors is an integer number (2690326415160).

Almost surely, 2^{20444143314131} is an apocalyptic number.

20444143314131 is a deficient number, since it is larger than the sum of its proper divisors (1078468007149).

20444143314131 is a wasteful number, since it uses less digits than its factorization.

20444143314131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123023233.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 20444143314131 its reverse (13141334144402), we get a palindrome (33585477458533).

The spelling of 20444143314131 in words is "twenty trillion, four hundred forty-four billion, one hundred forty-three million, three hundred fourteen thousand, one hundred thirty-one".