20330332132331 has 16 divisors (see below), whose sum is σ = 23049332624640. Its totient is φ = 17776590233760.

The previous prime is 20330332132303. The next prime is 20330332132379. The reversal of 20330332132331 is 13323123303302.

It is a cyclic number.

It is not a de Polignac number, because 20330332132331 - 2²² = 20330327938027 is a prime.

It is a super-2 number, since 2×20330332132331² (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 = 20330332132294 and 20330332132303.

It is not an unprimeable number, because it can be changed into a prime (20330332132301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966885 + ... + 7032998.

It is an arithmetic number, because the mean of its divisors is an integer number (1440583289040).

Almost surely, 2^{20330332132331} is an apocalyptic number.

20330332132331 is a deficient number, since it is larger than the sum of its proper divisors (2719000492309).

20330332132331 is a wasteful number, since it uses less digits than its factorization.

20330332132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008146.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 20330332132331 its reverse (13323123303302), we get a palindrome (33653455435633).

The spelling of 20330332132331 in words is "twenty trillion, three hundred thirty billion, three hundred thirty-two million, one hundred thirty-two thousand, three hundred thirty-one".