20196346099 has 2 divisors, whose sum is σ = 20196346100. Its totient is φ = 20196346098.

The previous prime is 20196346063. The next prime is 20196346189. The reversal of 20196346099 is 99064369102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20196346099 - 2¹⁵ = 20196313331 is a prime.

It is not a weakly prime, because it can be changed into another prime (20196346999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10098173049 + 10098173050.

It is an arithmetic number, because the mean of its divisors is an integer number (10098173050).

Almost surely, 2^20196346099 is an apocalyptic number.

20196346099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20196346099 is an equidigital number, since it uses as much as digits as its factorization.

20196346099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 20196346099 in words is "twenty billion, one hundred ninety-six million, three hundred forty-six thousand, ninety-nine".