20109232193 has 2 divisors, whose sum is σ = 20109232194. Its totient is φ = 20109232192.

The previous prime is 20109232183. The next prime is 20109232201. The reversal of 20109232193 is 39123290102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10380960769 + 9728271424 = 101887^2 + 98632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20109232193 - 2⁴ = 20109232177 is a prime.

It is not a weakly prime, because it can be changed into another prime (20109232183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10054616096 + 10054616097.

It is an arithmetic number, because the mean of its divisors is an integer number (10054616097).

Almost surely, 2^20109232193 is an apocalyptic number.

It is an amenable number.

20109232193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20109232193 is an equidigital number, since it uses as much as digits as its factorization.

20109232193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 20109232193 in words is "twenty billion, one hundred nine million, two hundred thirty-two thousand, one hundred ninety-three".