2220203081 has 2 divisors, whose sum is σ = 2220203082. Its totient is φ = 2220203080.

The previous prime is 2220203071. The next prime is 2220203113. The reversal of 2220203081 is 1803020222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2138137600 + 82065481 = 46240^2 + 9059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220203081 - 2⁶ = 2220203017 is a prime.

It is a super-2 number, since 2×2220203081² = 9858603441763785122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2220203071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110101540 + 1110101541.

It is an arithmetic number, because the mean of its divisors is an integer number (1110101541).

Almost surely, 2^2220203081 is an apocalyptic number.

It is an amenable number.

2220203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220203081 is an equidigital number, since it uses as much as digits as its factorization.

2220203081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2220203081 is about 47119.0309853673. The cubic root of 2220203081 is about 1304.5605270926.

The spelling of 2220203081 in words is "two billion, two hundred twenty million, two hundred three thousand, eighty-one".