20044648801 has 2 divisors, whose sum is σ = 20044648802. Its totient is φ = 20044648800.

The previous prime is 20044648777. The next prime is 20044648807. The reversal of 20044648801 is 10884644002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19342133776 + 702515025 = 139076^2 + 26505^2 .

It is a cyclic number.

It is not a de Polignac number, because 20044648801 - 2⁹ = 20044648289 is a prime.

It is not a weakly prime, because it can be changed into another prime (20044648807) 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, 10022324400 + 10022324401.

It is an arithmetic number, because the mean of its divisors is an integer number (10022324401).

Almost surely, 2^20044648801 is an apocalyptic number.

It is an amenable number.

20044648801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044648801 is an equidigital number, since it uses as much as digits as its factorization.

20044648801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 20044648801 in words is "twenty billion, forty-four million, six hundred forty-eight thousand, eight hundred one".