22020040321 has 2 divisors, whose sum is σ = 22020040322. Its totient is φ = 22020040320.

The previous prime is 22020040309. The next prime is 22020040333. The reversal of 22020040321 is 12304002022.

It is a balanced prime because it is at equal distance from previous prime (22020040309) and next prime (22020040333).

It can be written as a sum of positive squares in only one way, i.e., 19470295296 + 2549745025 = 139536^2 + 50495^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020040321 - 2⁷ = 22020040193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020040295 and 22020040304.

It is not a weakly prime, because it can be changed into another prime (22020040421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010020160 + 11010020161.

It is an arithmetic number, because the mean of its divisors is an integer number (11010020161).

Almost surely, 2^22020040321 is an apocalyptic number.

It is an amenable number.

22020040321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020040321 is an equidigital number, since it uses as much as digits as its factorization.

22020040321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22020040321 its reverse (12304002022), we get a palindrome (34324042343).

The spelling of 22020040321 in words is "twenty-two billion, twenty million, forty thousand, three hundred twenty-one".