20300117 has 2 divisors, whose sum is σ = 20300118. Its totient is φ = 20300116.

The previous prime is 20300101. The next prime is 20300123. The reversal of 20300117 is 71100302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 148996 = 4489^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300117 - 2⁴ = 20300101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20300177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150058 + 10150059.

It is an arithmetic number, because the mean of its divisors is an integer number (10150059).

Almost surely, 2^20300117 is an apocalyptic number.

It is an amenable number.

20300117 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300117 is an equidigital number, since it uses as much as digits as its factorization.

20300117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 20300117 is about 4505.5651143891. The cubic root of 20300117 is about 272.7927644974.

Adding to 20300117 its reverse (71100302), we get a palindrome (91400419).

The spelling of 20300117 in words is "twenty million, three hundred thousand, one hundred seventeen".