20332333213123 has 4 divisors (see below), whose sum is σ = 20335396702240. Its totient is φ = 20329269724008.

The previous prime is 20332333213109. The next prime is 20332333213151. The reversal of 20332333213123 is 32131233323302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332333213123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332333213103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531734603 + ... + 1531747876.

It is an arithmetic number, because the mean of its divisors is an integer number (5083849175560).

Almost surely, 2^{20332333213123} is an apocalyptic number.

20332333213123 is a deficient number, since it is larger than the sum of its proper divisors (3063489117).

20332333213123 is an equidigital number, since it uses as much as digits as its factorization.

20332333213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063489116.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 20332333213123 its reverse (32131233323302), we get a palindrome (52463566536425).

The spelling of 20332333213123 in words is "twenty trillion, three hundred thirty-two billion, three hundred thirty-three million, two hundred thirteen thousand, one hundred twenty-three".