220001984017 has 2 divisors, whose sum is σ = 220001984018. Its totient is φ = 220001984016.

The previous prime is 220001983963. The next prime is 220001984071. The reversal of 220001984017 is 710489100022.

220001984017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (220001984071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (220001983963) and next prime (220001984071).

It can be written as a sum of positive squares in only one way, i.e., 210973943761 + 9028040256 = 459319^2 + 95016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220001984017 is a prime.

It is not a weakly prime, because it can be changed into another prime (220001984087) 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 as a sum of consecutive naturals, namely, 110000992008 + 110000992009.

It is an arithmetic number, because the mean of its divisors is an integer number (110000992009).

Almost surely, 2^220001984017 is an apocalyptic number.

It is an amenable number.

220001984017 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001984017 is an equidigital number, since it uses as much as digits as its factorization.

220001984017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 220001984017 in words is "two hundred twenty billion, one million, nine hundred eighty-four thousand, seventeen".