8020243422321 has 64 divisors (see below), whose sum is σ = 12279864038400. Its totient is φ = 4615335749376.

The previous prime is 8020243422299. The next prime is 8020243422353. The reversal of 8020243422321 is 1232243420208.

It is not a de Polignac number, because 8020243422321 - 2⁹ = 8020243421809 is a prime.

It is a super-2 number, since 2×8020243422321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8020243422371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21779910 + ... + 22145088.

It is an arithmetic number, because the mean of its divisors is an integer number (191872875600).

Almost surely, 2^{8020243422321} is an apocalyptic number.

It is an amenable number.

8020243422321 is a deficient number, since it is larger than the sum of its proper divisors (4259620616079).

8020243422321 is a wasteful number, since it uses less digits than its factorization.

8020243422321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365598.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 8020243422321 its reverse (1232243420208), we get a palindrome (9252486842529).

The spelling of 8020243422321 in words is "eight trillion, twenty billion, two hundred forty-three million, four hundred twenty-two thousand, three hundred twenty-one".