20330122133131 has 4 divisors (see below), whose sum is σ = 21526011670392. Its totient is φ = 19134232595872.

The previous prime is 20330122133089. The next prime is 20330122133143. The reversal of 20330122133131 is 13133122103302.

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 20330122133131 - 2¹⁵ = 20330122100363 is a prime.

It is a super-2 number, since 2×20330122133131² (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 = 20330122133096 and 20330122133105.

It is not an unprimeable number, because it can be changed into a prime (20330122134131) 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, 597944768605 + ... + 597944768638.

It is an arithmetic number, because the mean of its divisors is an integer number (5381502917598).

Almost surely, 2^{20330122133131} is an apocalyptic number.

20330122133131 is a deficient number, since it is larger than the sum of its proper divisors (1195889537261).

20330122133131 is a wasteful number, since it uses less digits than its factorization.

20330122133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195889537260.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20330122133131 its reverse (13133122103302), we get a palindrome (33463244236433).

The spelling of 20330122133131 in words is "twenty trillion, three hundred thirty billion, one hundred twenty-two million, one hundred thirty-three thousand, one hundred thirty-one".