4020260243 has 2 divisors, whose sum is σ = 4020260244. Its totient is φ = 4020260242.

The previous prime is 4020260201. The next prime is 4020260261. The reversal of 4020260243 is 3420620204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4020260243 - 2²⁰ = 4019211667 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020260143) 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, 2010130121 + 2010130122.

It is an arithmetic number, because the mean of its divisors is an integer number (2010130122).

Almost surely, 2^4020260243 is an apocalyptic number.

4020260243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020260243 is an equidigital number, since it uses as much as digits as its factorization.

4020260243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4020260243 is about 63405.5221806429. The cubic root of 4020260243 is about 1590.0766339658.

Adding to 4020260243 its reverse (3420620204), we get a palindrome (7440880447).

The spelling of 4020260243 in words is "four billion, twenty million, two hundred sixty thousand, two hundred forty-three".