20071043263 has 2 divisors, whose sum is σ = 20071043264. Its totient is φ = 20071043262.

The previous prime is 20071043189. The next prime is 20071043287. The reversal of 20071043263 is 36234017002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20071043263 - 2⁹ = 20071042751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20071343263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10035521631 + 10035521632.

It is an arithmetic number, because the mean of its divisors is an integer number (10035521632).

Almost surely, 2^20071043263 is an apocalyptic number.

20071043263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20071043263 is an equidigital number, since it uses as much as digits as its factorization.

20071043263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 20071043263 in words is "twenty billion, seventy-one million, forty-three thousand, two hundred sixty-three".