20132213221193 has 2 divisors, whose sum is σ = 20132213221194. Its totient is φ = 20132213221192.

The previous prime is 20132213221187. The next prime is 20132213221213. The reversal of 20132213221193 is 39112231223102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20107977892864 + 24235328329 = 4484192^2 + 155677^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132213221193 - 2¹² = 20132213217097 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132213221103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066106610596 + 10066106610597.

It is an arithmetic number, because the mean of its divisors is an integer number (10066106610597).

Almost surely, 2^{20132213221193} is an apocalyptic number.

It is an amenable number.

20132213221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132213221193 is an equidigital number, since it uses as much as digits as its factorization.

20132213221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 20132213221193 its reverse (39112231223102), we get a palindrome (59244444444295).

The spelling of 20132213221193 in words is "twenty trillion, one hundred thirty-two billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred ninety-three".