20320143141131 has 8 divisors (see below), whose sum is σ = 21209743551744. Its totient is φ = 19431052391080.

The previous prime is 20320143141119. The next prime is 20320143141143. The reversal of 20320143141131 is 13114134102302.

It is an interprime number because it is at equal distance from previous prime (20320143141119) and next prime (20320143141143).

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 20320143141131 - 2¹⁰ = 20320143140107 is a prime.

It is a super-2 number, since 2×20320143141131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20320143141131.

It is not an unprimeable number, because it can be changed into a prime (20320143171131) 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, 127333655 + ... + 127493136.

It is an arithmetic number, because the mean of its divisors is an integer number (2651217943968).

Almost surely, 2^{20320143141131} is an apocalyptic number.

20320143141131 is a deficient number, since it is larger than the sum of its proper divisors (889600410613).

20320143141131 is a wasteful number, since it uses less digits than its factorization.

20320143141131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254830281.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 20320143141131 its reverse (13114134102302), we get a palindrome (33434277243433).

The spelling of 20320143141131 in words is "twenty trillion, three hundred twenty billion, one hundred forty-three million, one hundred forty-one thousand, one hundred thirty-one".