20000112397 has 2 divisors, whose sum is σ = 20000112398. Its totient is φ = 20000112396.

The previous prime is 20000112359. The next prime is 20000112401. The reversal of 20000112397 is 79321100002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11850717321 + 8149395076 = 108861^2 + 90274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000112397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000112697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000056198 + 10000056199.

It is an arithmetic number, because the mean of its divisors is an integer number (10000056199).

Almost surely, 2^20000112397 is an apocalyptic number.

It is an amenable number.

20000112397 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000112397 is an equidigital number, since it uses as much as digits as its factorization.

20000112397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 20000112397 its reverse (79321100002), we get a palindrome (99321212399).

The spelling of 20000112397 in words is "twenty billion, one hundred twelve thousand, three hundred ninety-seven".