220640210330833 has 2 divisors, whose sum is σ = 220640210330834. Its totient is φ = 220640210330832.

The previous prime is 220640210330777. The next prime is 220640210330873. The reversal of 220640210330833 is 338033012046022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118317112852689 + 102323097478144 = 10877367^2 + 10115488^2 .

It is a cyclic number.

It is not a de Polignac number, because 220640210330833 - 2⁴¹ = 218441187075281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220640210330792 and 220640210330801.

It is not a weakly prime, because it can be changed into another prime (220640210330873) 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 as a sum of consecutive naturals, namely, 110320105165416 + 110320105165417.

It is an arithmetic number, because the mean of its divisors is an integer number (110320105165417).

Almost surely, 2^{220640210330833} is an apocalyptic number.

It is an amenable number.

220640210330833 is a deficient number, since it is larger than the sum of its proper divisors (1).

220640210330833 is an equidigital number, since it uses as much as digits as its factorization.

220640210330833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 220640210330833 its reverse (338033012046022), we get a palindrome (558673222376855).

The spelling of 220640210330833 in words is "two hundred twenty trillion, six hundred forty billion, two hundred ten million, three hundred thirty thousand, eight hundred thirty-three".