20216775026299 has 2 divisors, whose sum is σ = 20216775026300. Its totient is φ = 20216775026298.

The previous prime is 20216775026191. The next prime is 20216775026381. The reversal of 20216775026299 is 99262057761202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20216775026299 - 2¹⁷ = 20216774895227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20216775026099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10108387513149 + 10108387513150.

It is an arithmetic number, because the mean of its divisors is an integer number (10108387513150).

Almost surely, 2^{20216775026299} is an apocalyptic number.

20216775026299 is a deficient number, since it is larger than the sum of its proper divisors (1).

20216775026299 is an equidigital number, since it uses as much as digits as its factorization.

20216775026299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 20216775026299 in words is "twenty trillion, two hundred sixteen billion, seven hundred seventy-five million, twenty-six thousand, two hundred ninety-nine".