20380576554193 has 2 divisors, whose sum is σ = 20380576554194. Its totient is φ = 20380576554192.

The previous prime is 20380576554181. The next prime is 20380576554197. The reversal of 20380576554193 is 39145567508302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15681861361089 + 4698715193104 = 3960033^2 + 2167652^2 .

It is a cyclic number.

It is not a de Polignac number, because 20380576554193 - 2⁵ = 20380576554161 is a prime.

It is not a weakly prime, because it can be changed into another prime (20380576554197) 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, 10190288277096 + 10190288277097.

It is an arithmetic number, because the mean of its divisors is an integer number (10190288277097).

It is a 1-persistent number, because it is pandigital, but 2⋅20380576554193 = 40761153108386 is not.

Almost surely, 2^{20380576554193} is an apocalyptic number.

It is an amenable number.

20380576554193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20380576554193 is an equidigital number, since it uses as much as digits as its factorization.

20380576554193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 20380576554193 in words is "twenty trillion, three hundred eighty billion, five hundred seventy-six million, five hundred fifty-four thousand, one hundred ninety-three".