20012200193 has 2 divisors, whose sum is σ = 20012200194. Its totient is φ = 20012200192.

The previous prime is 20012200183. The next prime is 20012200207. The reversal of 20012200193 is 39100221002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17163096064 + 2849104129 = 131008^2 + 53377^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012200193 - 2¹⁰ = 20012199169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012200183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006100096 + 10006100097.

It is an arithmetic number, because the mean of its divisors is an integer number (10006100097).

Almost surely, 2^20012200193 is an apocalyptic number.

It is an amenable number.

20012200193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012200193 is an equidigital number, since it uses as much as digits as its factorization.

20012200193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20012200193 its reverse (39100221002), we get a palindrome (59112421195).

The spelling of 20012200193 in words is "twenty billion, twelve million, two hundred thousand, one hundred ninety-three".