20103540593 has 2 divisors, whose sum is σ = 20103540594. Its totient is φ = 20103540592.

The previous prime is 20103540581. The next prime is 20103540647. The reversal of 20103540593 is 39504530102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19416471649 + 687068944 = 139343^2 + 26212^2 .

It is a cyclic number.

It is not a de Polignac number, because 20103540593 - 2⁶ = 20103540529 is a prime.

It is not a weakly prime, because it can be changed into another prime (20103540503) 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, 10051770296 + 10051770297.

It is an arithmetic number, because the mean of its divisors is an integer number (10051770297).

Almost surely, 2^20103540593 is an apocalyptic number.

It is an amenable number.

20103540593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103540593 is an equidigital number, since it uses as much as digits as its factorization.

20103540593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 20103540593 in words is "twenty billion, one hundred three million, five hundred forty thousand, five hundred ninety-three".