20133320323 has 4 divisors (see below), whose sum is σ = 20133632368. Its totient is φ = 20133008280.

The previous prime is 20133320321. The next prime is 20133320327. The reversal of 20133320323 is 32302333102.

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

It is a cyclic number.

It is not a de Polignac number, because 20133320323 - 2¹ = 20133320321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133320294 and 20133320303.

It is not an unprimeable number, because it can be changed into a prime (20133320321) 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, 19311 + ... + 201592.

It is an arithmetic number, because the mean of its divisors is an integer number (5033408092).

Almost surely, 2^20133320323 is an apocalyptic number.

20133320323 is a deficient number, since it is larger than the sum of its proper divisors (312045).

20133320323 is an equidigital number, since it uses as much as digits as its factorization.

20133320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312044.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20133320323 its reverse (32302333102), we get a palindrome (52435653425).

The spelling of 20133320323 in words is "twenty billion, one hundred thirty-three million, three hundred twenty thousand, three hundred twenty-three".