220033330081 has 2 divisors, whose sum is σ = 220033330082. Its totient is φ = 220033330080.

The previous prime is 220033330073. The next prime is 220033330087. The reversal of 220033330081 is 180033330022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219529731600 + 503598481 = 468540^2 + 22441^2 .

It is a cyclic number.

It is not a de Polignac number, because 220033330081 - 2³ = 220033330073 is a prime.

It is a super-2 number, since 2×220033330081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220033330087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110016665040 + 110016665041.

It is an arithmetic number, because the mean of its divisors is an integer number (110016665041).

Almost surely, 2^220033330081 is an apocalyptic number.

It is an amenable number.

220033330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

220033330081 is an equidigital number, since it uses as much as digits as its factorization.

220033330081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 220033330081 in words is "two hundred twenty billion, thirty-three million, three hundred thirty thousand, eighty-one".