20022323221 has 8 divisors (see below), whose sum is σ = 20060492544. Its totient is φ = 19984178160.

The previous prime is 20022323171. The next prime is 20022323261. The reversal of 20022323221 is 12232322002.

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 20022323221 - 2¹¹ = 20022321173 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 (20022323261) 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, 2759220 + ... + 2766466.

It is an arithmetic number, because the mean of its divisors is an integer number (2507561568).

Almost surely, 2^20022323221 is an apocalyptic number.

It is an amenable number.

20022323221 is a deficient number, since it is larger than the sum of its proper divisors (38169323).

20022323221 is an equidigital number, since it uses as much as digits as its factorization.

20022323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131.

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

Adding to 20022323221 its reverse (12232322002), we get a palindrome (32254645223).

The spelling of 20022323221 in words is "twenty billion, twenty-two million, three hundred twenty-three thousand, two hundred twenty-one".