20023222023131 has 4 divisors (see below), whose sum is σ = 20069679615264. Its totient is φ = 19976764431000.

The previous prime is 20023222023127. The next prime is 20023222023221. The reversal of 20023222023131 is 13132022232002.

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

It is a cyclic number.

It is not a de Polignac number, because 20023222023131 - 2² = 20023222023127 is a prime.

It is a super-2 number, since 2×20023222023131² (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 = 20023222023097 and 20023222023106.

It is not an unprimeable number, because it can be changed into a prime (20023228023131) 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, 23228795420 + ... + 23228796281.

It is an arithmetic number, because the mean of its divisors is an integer number (5017419903816).

Almost surely, 2^{20023222023131} is an apocalyptic number.

20023222023131 is a deficient number, since it is larger than the sum of its proper divisors (46457592133).

20023222023131 is an equidigital number, since it uses as much as digits as its factorization.

20023222023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46457592132.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20023222023131 its reverse (13132022232002), we get a palindrome (33155244255133).

The spelling of 20023222023131 in words is "twenty trillion, twenty-three billion, two hundred twenty-two million, twenty-three thousand, one hundred thirty-one".