20112352331 has 8 divisors (see below), whose sum is σ = 20171112720. Its totient is φ = 20053678752.

The previous prime is 20112352327. The next prime is 20112352349. The reversal of 20112352331 is 13325321102.

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 20112352331 - 2² = 20112352327 is a prime.

It is a super-2 number, since 2×20112352331² (a number of 21 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 = 20112352297 and 20112352306.

It is not an unprimeable number, because it can be changed into a prime (20112352531) 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, 457640 + ... + 499658.

It is an arithmetic number, because the mean of its divisors is an integer number (2521389090).

Almost surely, 2^20112352331 is an apocalyptic number.

20112352331 is a deficient number, since it is larger than the sum of its proper divisors (58760389).

20112352331 is an equidigital number, since it uses as much as digits as its factorization.

20112352331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43405.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20112352331 its reverse (13325321102), we get a palindrome (33437673433).

The spelling of 20112352331 in words is "twenty billion, one hundred twelve million, three hundred fifty-two thousand, three hundred thirty-one".