20023300321121 has 4 divisors (see below), whose sum is σ = 20054248235712. Its totient is φ = 19992352406532.

The previous prime is 20023300321117. The next prime is 20023300321139. The reversal of 20023300321121 is 12112300332002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20023300321121 - 2² = 20023300321117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20023300321093 and 20023300321102.

It is not an unprimeable number, because it can be changed into a prime (20023300321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15473956325 + ... + 15473957618.

It is an arithmetic number, because the mean of its divisors is an integer number (5013562058928).

Almost surely, 2^{20023300321121} is an apocalyptic number.

It is an amenable number.

20023300321121 is a deficient number, since it is larger than the sum of its proper divisors (30947914591).

20023300321121 is an equidigital number, since it uses as much as digits as its factorization.

20023300321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30947914590.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20023300321121 its reverse (12112300332002), we get a palindrome (32135600653123).

The spelling of 20023300321121 in words is "twenty trillion, twenty-three billion, three hundred million, three hundred twenty-one thousand, one hundred twenty-one".