20132310233 has 4 divisors (see below), whose sum is σ = 23008354560. Its totient is φ = 17256265908.

The previous prime is 20132310229. The next prime is 20132310259. The reversal of 20132310233 is 33201323102.

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 not a de Polignac number, because 20132310233 - 2² = 20132310229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132310293) 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, 1438022153 + ... + 1438022166.

It is an arithmetic number, because the mean of its divisors is an integer number (5752088640).

Almost surely, 2^20132310233 is an apocalyptic number.

It is an amenable number.

20132310233 is a deficient number, since it is larger than the sum of its proper divisors (2876044327).

20132310233 is an equidigital number, since it uses as much as digits as its factorization.

20132310233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876044326.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20132310233 its reverse (33201323102), we get a palindrome (53333633335).

The spelling of 20132310233 in words is "twenty billion, one hundred thirty-two million, three hundred ten thousand, two hundred thirty-three".