20043223321 has 8 divisors (see below), whose sum is σ = 22570668288. Its totient is φ = 17633334000.

The previous prime is 20043223313. The next prime is 20043223337. The reversal of 20043223321 is 12332234002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20043223321 - 2³ = 20043223313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20043223292 and 20043223301.

It is not an unprimeable number, because it can be changed into a prime (20043223381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29388550 + ... + 29389231.

It is an arithmetic number, because the mean of its divisors is an integer number (2821333536).

Almost surely, 2^20043223321 is an apocalyptic number.

It is an amenable number.

20043223321 is a deficient number, since it is larger than the sum of its proper divisors (2527444967).

20043223321 is a wasteful number, since it uses less digits than its factorization.

20043223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58777823.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20043223321 its reverse (12332234002), we get a palindrome (32375457323).

The spelling of 20043223321 in words is "twenty billion, forty-three million, two hundred twenty-three thousand, three hundred twenty-one".