2000201818193 has 2 divisors, whose sum is σ = 2000201818194. Its totient is φ = 2000201818192.

The previous prime is 2000201818151. The next prime is 2000201818213. The reversal of 2000201818193 is 3918181020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1242663103504 + 757538714689 = 1114748^2 + 870367^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000201818193 - 2⁸ = 2000201817937 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000201818793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000100909096 + 1000100909097.

It is an arithmetic number, because the mean of its divisors is an integer number (1000100909097).

Almost surely, 2^{2000201818193} is an apocalyptic number.

It is an amenable number.

2000201818193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000201818193 is an equidigital number, since it uses as much as digits as its factorization.

2000201818193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

Adding to 2000201818193 its reverse (3918181020002), we get a palindrome (5918382838195).

The spelling of 2000201818193 in words is "two trillion, two hundred one million, eight hundred eighteen thousand, one hundred ninety-three".