20023120312331 has 8 divisors (see below), whose sum is σ = 20324727869280. Its totient is φ = 19722251086272.

The previous prime is 20023120312309. The next prime is 20023120312373. The reversal of 20023120312331 is 13321302132002.

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 20023120312331 - 2²⁶ = 20023053203467 is a prime.

It is a super-2 number, since 2×20023120312331² (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 = 20023120312297 and 20023120312306.

It is not an unprimeable number, because it can be changed into a prime (20023120312631) 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, 184528076 + ... + 184636553.

It is an arithmetic number, because the mean of its divisors is an integer number (2540590983660).

Almost surely, 2^{20023120312331} is an apocalyptic number.

20023120312331 is a deficient number, since it is larger than the sum of its proper divisors (301607556949).

20023120312331 is an equidigital number, since it uses as much as digits as its factorization.

20023120312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369165445.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20023120312331 its reverse (13321302132002), we get a palindrome (33344422444333).

The spelling of 20023120312331 in words is "twenty trillion, twenty-three billion, one hundred twenty million, three hundred twelve thousand, three hundred thirty-one".