20369033801 has 2 divisors, whose sum is σ = 20369033802. Its totient is φ = 20369033800.

The previous prime is 20369033777. The next prime is 20369033813. The reversal of 20369033801 is 10833096302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14780723776 + 5588310025 = 121576^2 + 74755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20369033801 is a prime.

It is not a weakly prime, because it can be changed into another prime (20369033501) 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, 10184516900 + 10184516901.

It is an arithmetic number, because the mean of its divisors is an integer number (10184516901).

Almost surely, 2^20369033801 is an apocalyptic number.

It is an amenable number.

20369033801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20369033801 is an equidigital number, since it uses as much as digits as its factorization.

20369033801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 20369033801 in words is "twenty billion, three hundred sixty-nine million, thirty-three thousand, eight hundred one".