20313000022193 has 2 divisors, whose sum is σ = 20313000022194. Its totient is φ = 20313000022192.

The previous prime is 20313000022181. The next prime is 20313000022303. The reversal of 20313000022193 is 39122000031302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17819812707904 + 2493187314289 = 4221352^2 + 1578983^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313000022193 - 2³⁶ = 20244280545457 is a prime.

It is a super-2 number, since 2×20313000022193² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20313000022993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156500011096 + 10156500011097.

It is an arithmetic number, because the mean of its divisors is an integer number (10156500011097).

Almost surely, 2^{20313000022193} is an apocalyptic number.

It is an amenable number.

20313000022193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313000022193 is an equidigital number, since it uses as much as digits as its factorization.

20313000022193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 20313000022193 its reverse (39122000031302), we get a palindrome (59435000053495).

The spelling of 20313000022193 in words is "twenty trillion, three hundred thirteen billion, twenty-two thousand, one hundred ninety-three".