20107393 has 2 divisors, whose sum is σ = 20107394. Its totient is φ = 20107392.

The previous prime is 20107363. The next prime is 20107397. The reversal of 20107393 is 39370102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 8898289 = 3348^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 20107393 - 2⁵ = 20107361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20107397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053696 + 10053697.

It is an arithmetic number, because the mean of its divisors is an integer number (10053697).

Almost surely, 2^20107393 is an apocalyptic number.

It is an amenable number.

20107393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107393 is an equidigital number, since it uses as much as digits as its factorization.

20107393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 20107393 is about 4484.1267823290. The cubic root of 20107393 is about 271.9267437164.

Adding to 20107393 its reverse (39370102), we get a palindrome (59477495).

The spelling of 20107393 in words is "twenty million, one hundred seven thousand, three hundred ninety-three".