20223213321 has 16 divisors (see below), whose sum is σ = 27803418048. Its totient is φ = 13065480000.

The previous prime is 20223213317. The next prime is 20223213323. The reversal of 20223213321 is 12331232202.

It is a happy number.

It is not a de Polignac number, because 20223213321 - 2² = 20223213317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20223213323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335070 + ... + 390791.

It is an arithmetic number, because the mean of its divisors is an integer number (1737713628).

Almost surely, 2^20223213321 is an apocalyptic number.

It is an amenable number.

20223213321 is a deficient number, since it is larger than the sum of its proper divisors (7580204727).

20223213321 is a wasteful number, since it uses less digits than its factorization.

20223213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726152.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20223213321 its reverse (12331232202), we get a palindrome (32554445523).

The spelling of 20223213321 in words is "twenty billion, two hundred twenty-three million, two hundred thirteen thousand, three hundred twenty-one".