23020120013331 has 128 divisors (see below), whose sum is σ = 37925851392000. Its totient is φ = 12393511764480.

The previous prime is 23020120013257. The next prime is 23020120013333. The reversal of 23020120013331 is 13331002102032.

It is not a de Polignac number, because 23020120013331 - 2²⁵ = 23020086458899 is a prime.

It is a super-2 number, since 2×23020120013331² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23020120013298 and 23020120013307.

It is not an unprimeable number, because it can be changed into a prime (23020120013333) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1433285041 + ... + 1433301101.

It is an arithmetic number, because the mean of its divisors is an integer number (296295714000).

Almost surely, 2^{23020120013331} is an apocalyptic number.

23020120013331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23020120013331 is a deficient number, since it is larger than the sum of its proper divisors (14905731378669).

23020120013331 is a wasteful number, since it uses less digits than its factorization.

23020120013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17274 (or 17260 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23020120013331 its reverse (13331002102032), we get a palindrome (36351122115363).

The spelling of 23020120013331 in words is "twenty-three trillion, twenty billion, one hundred twenty million, thirteen thousand, three hundred thirty-one".