20324233321 has 4 divisors (see below), whose sum is σ = 23227695232. Its totient is φ = 17420771412.

The previous prime is 20324233313. The next prime is 20324233373. The reversal of 20324233321 is 12333242302.

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 20324233321 - 2³ = 20324233313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20324233381) 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, 1451730945 + ... + 1451730958.

It is an arithmetic number, because the mean of its divisors is an integer number (5806923808).

Almost surely, 2^20324233321 is an apocalyptic number.

It is an amenable number.

20324233321 is a deficient number, since it is larger than the sum of its proper divisors (2903461911).

20324233321 is an equidigital number, since it uses as much as digits as its factorization.

20324233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903461910.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20324233321 its reverse (12333242302), we get a palindrome (32657475623).

The spelling of 20324233321 in words is "twenty billion, three hundred twenty-four million, two hundred thirty-three thousand, three hundred twenty-one".