20223032221 has 8 divisors (see below), whose sum is σ = 23134726080. Its totient is φ = 17317010688.

The previous prime is 20223032213. The next prime is 20223032239. The reversal of 20223032221 is 12223032202.

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 20223032221 - 2³ = 20223032213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223032201) 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, 1410436 + ... + 1424701.

It is an arithmetic number, because the mean of its divisors is an integer number (2891840760).

Almost surely, 2^20223032221 is an apocalyptic number.

It is an amenable number.

20223032221 is a deficient number, since it is larger than the sum of its proper divisors (2911693859).

20223032221 is a wasteful number, since it uses less digits than its factorization.

20223032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836163.

The product of its (nonzero) digits is 576, while the sum is 19.

Subtracting from 20223032221 its sum of digits (19), we obtain a palindrome (20223032202).

Adding to 20223032221 its reverse (12223032202), we get a palindrome (32446064423).

The spelling of 20223032221 in words is "twenty billion, two hundred twenty-three million, thirty-two thousand, two hundred twenty-one".