20223013321 has 4 divisors (see below), whose sum is σ = 23112015232. Its totient is φ = 17334011412.

The previous prime is 20223013303. The next prime is 20223013331. The reversal of 20223013321 is 12331032202.

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 20223013321 - 2⁹ = 20223012809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223013301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444500945 + ... + 1444500958.

It is an arithmetic number, because the mean of its divisors is an integer number (5778003808).

Almost surely, 2^20223013321 is an apocalyptic number.

It is an amenable number.

20223013321 is a deficient number, since it is larger than the sum of its proper divisors (2889001911).

20223013321 is an equidigital number, since it uses as much as digits as its factorization.

20223013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889001910.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20223013321 its reverse (12331032202), we get a palindrome (32554045523).

The spelling of 20223013321 in words is "twenty billion, two hundred twenty-three million, thirteen thousand, three hundred twenty-one".