20022230321 has 8 divisors (see below), whose sum is σ = 20617970688. Its totient is φ = 19431604000.

The previous prime is 20022230311. The next prime is 20022230387. The reversal of 20022230321 is 12303222002.

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 20022230321 - 2²⁶ = 19955121457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022230321.

It is not an unprimeable number, because it can be changed into a prime (20022230311) 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 7 ways as a sum of consecutive naturals, for example, 1270565 + ... + 1286226.

It is an arithmetic number, because the mean of its divisors is an integer number (2577246336).

Almost surely, 2^20022230321 is an apocalyptic number.

It is an amenable number.

20022230321 is a deficient number, since it is larger than the sum of its proper divisors (595740367).

20022230321 is a wasteful number, since it uses less digits than its factorization.

20022230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557023.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20022230321 its reverse (12303222002), we get a palindrome (32325452323).

The spelling of 20022230321 in words is "twenty billion, twenty-two million, two hundred thirty thousand, three hundred twenty-one".