13220767801 has 2 divisors, whose sum is σ = 13220767802. Its totient is φ = 13220767800.

The previous prime is 13220767741. The next prime is 13220767837. The reversal of 13220767801 is 10876702231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9308390400 + 3912377401 = 96480^2 + 62549^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220767801 - 2⁷ = 13220767673 is a prime.

It is not a weakly prime, because it can be changed into another prime (13250767801) 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, 6610383900 + 6610383901.

It is an arithmetic number, because the mean of its divisors is an integer number (6610383901).

Almost surely, 2^13220767801 is an apocalyptic number.

It is an amenable number.

13220767801 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220767801 is an equidigital number, since it uses as much as digits as its factorization.

13220767801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 13220767801 in words is "thirteen billion, two hundred twenty million, seven hundred sixty-seven thousand, eight hundred one".