20332120131 has 6 divisors (see below), whose sum is σ = 29368617980. Its totient is φ = 13554746748.

The previous prime is 20332120121. The next prime is 20332120169. The reversal of 20332120131 is 13102123302.

It is not a de Polignac number, because 20332120131 - 2²⁶ = 20265011267 is a prime.

It is a super-2 number, since 2×20332120131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129562221 + ... + 1129562238.

Almost surely, 2^20332120131 is an apocalyptic number.

20332120131 is a deficient number, since it is larger than the sum of its proper divisors (9036497849).

20332120131 is a wasteful number, since it uses less digits than its factorization.

20332120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259124465 (or 2259124462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20332120131 its reverse (13102123302), we get a palindrome (33434243433).

The spelling of 20332120131 in words is "twenty billion, three hundred thirty-two million, one hundred twenty thousand, one hundred thirty-one".