20022321220321 has 16 divisors (see below), whose sum is σ = 23160693080448. Its totient is φ = 16953501312000.

The previous prime is 20022321220211. The next prime is 20022321220339. The reversal of 20022321220321 is 12302212322002.

It is a cyclic number.

It is not a de Polignac number, because 20022321220321 - 2¹⁹ = 20022320696033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022321220292 and 20022321220301.

It is not an unprimeable number, because it can be changed into a prime (20022321220381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4012161 + ... + 7492801.

It is an arithmetic number, because the mean of its divisors is an integer number (1447543317528).

Almost surely, 2^{20022321220321} is an apocalyptic number.

It is an amenable number.

20022321220321 is a deficient number, since it is larger than the sum of its proper divisors (3138371860127).

20022321220321 is an equidigital number, since it uses as much as digits as its factorization.

20022321220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490632.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20022321220321 its reverse (12302212322002), we get a palindrome (32324533542323).

The spelling of 20022321220321 in words is "twenty trillion, twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, three hundred twenty-one".