20313122206193 has 2 divisors, whose sum is σ = 20313122206194. Its totient is φ = 20313122206192.

The previous prime is 20313122206187. The next prime is 20313122206199. The reversal of 20313122206193 is 39160222131302.

It is a balanced prime because it is at equal distance from previous prime (20313122206187) and next prime (20313122206199).

It can be written as a sum of positive squares in only one way, i.e., 14722323433024 + 5590798773169 = 3836968^2 + 2364487^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313122206193 - 2¹⁰ = 20313122205169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313122206199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156561103096 + 10156561103097.

It is an arithmetic number, because the mean of its divisors is an integer number (10156561103097).

Almost surely, 2^{20313122206193} is an apocalyptic number.

It is an amenable number.

20313122206193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313122206193 is an equidigital number, since it uses as much as digits as its factorization.

20313122206193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 20313122206193 its reverse (39160222131302), we get a palindrome (59473344337495).

The spelling of 20313122206193 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred six thousand, one hundred ninety-three".