20116232120819 has 2 divisors, whose sum is σ = 20116232120820. Its totient is φ = 20116232120818.

The previous prime is 20116232120749. The next prime is 20116232120839. The reversal of 20116232120819 is 91802123261102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116232120819 is a prime.

It is a super-2 number, since 2×20116232120819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20116232120839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058116060409 + 10058116060410.

It is an arithmetic number, because the mean of its divisors is an integer number (10058116060410).

Almost surely, 2^{20116232120819} is an apocalyptic number.

20116232120819 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116232120819 is an equidigital number, since it uses as much as digits as its factorization.

20116232120819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 20116232120819 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-two million, one hundred twenty thousand, eight hundred nineteen".