220002021084617 has 2 divisors, whose sum is σ = 220002021084618. Its totient is φ = 220002021084616.

The previous prime is 220002021084607. The next prime is 220002021084661. The reversal of 220002021084617 is 716480120200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219514567168576 + 487453916041 = 14816024^2 + 698179^2 .

It is a cyclic number.

It is not a de Polignac number, because 220002021084617 - 2⁶ = 220002021084553 is a prime.

It is not a weakly prime, because it can be changed into another prime (220002021084607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001010542308 + 110001010542309.

It is an arithmetic number, because the mean of its divisors is an integer number (110001010542309).

Almost surely, 2^{220002021084617} is an apocalyptic number.

It is an amenable number.

220002021084617 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002021084617 is an equidigital number, since it uses as much as digits as its factorization.

220002021084617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 220002021084617 its reverse (716480120200022), we get a palindrome (936482141284639).

The spelling of 220002021084617 in words is "two hundred twenty trillion, two billion, twenty-one million, eighty-four thousand, six hundred seventeen".