20614393 has 2 divisors, whose sum is σ = 20614394. Its totient is φ = 20614392.

The previous prime is 20614361. The next prime is 20614409. The reversal of 20614393 is 39341602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19598329 + 1016064 = 4427^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 20614393 - 2⁵ = 20614361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20614303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307196 + 10307197.

It is an arithmetic number, because the mean of its divisors is an integer number (10307197).

Almost surely, 2^20614393 is an apocalyptic number.

It is an amenable number.

20614393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614393 is an equidigital number, since it uses as much as digits as its factorization.

20614393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20614393 is about 4540.3075886993. The cubic root of 20614393 is about 274.1933075658.

Adding to 20614393 its reverse (39341602), we get a palindrome (59955995).

The spelling of 20614393 in words is "twenty million, six hundred fourteen thousand, three hundred ninety-three".