20422451303131 has 8 divisors (see below), whose sum is σ = 20681045344800. Its totient is φ = 20164504557120.

The previous prime is 20422451303087. The next prime is 20422451303143. The reversal of 20422451303131 is 13130315422402.

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 20422451303131 - 2³³ = 20413861368539 is a prime.

It is a super-2 number, since 2×20422451303131² (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 = 20422451303093 and 20422451303102.

It is not an unprimeable number, because it can be changed into a prime (20422451303231) 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, 161760415 + ... + 161886616.

It is an arithmetic number, because the mean of its divisors is an integer number (2585130668100).

Almost surely, 2^{20422451303131} is an apocalyptic number.

20422451303131 is a deficient number, since it is larger than the sum of its proper divisors (258594041669).

20422451303131 is an equidigital number, since it uses as much as digits as its factorization.

20422451303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323647829.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20422451303131 its reverse (13130315422402), we get a palindrome (33552766725533).

The spelling of 20422451303131 in words is "twenty trillion, four hundred twenty-two billion, four hundred fifty-one million, three hundred three thousand, one hundred thirty-one".