20301313 has 2 divisors, whose sum is σ = 20301314. Its totient is φ = 20301312.

The previous prime is 20301301. The next prime is 20301319. The reversal of 20301313 is 31310302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11102224 + 9199089 = 3332^2 + 3033^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301313 - 2⁹ = 20300801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301293 and 20301302.

It is not a weakly prime, because it can be changed into another prime (20301319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150656 + 10150657.

It is an arithmetic number, because the mean of its divisors is an integer number (10150657).

Almost surely, 2^20301313 is an apocalyptic number.

It is an amenable number.

20301313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301313 is an equidigital number, since it uses as much as digits as its factorization.

20301313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 20301313 is about 4505.6978371835. The cubic root of 20301313 is about 272.7981216707.

Adding to 20301313 its reverse (31310302), we get a palindrome (51611615).

The spelling of 20301313 in words is "twenty million, three hundred one thousand, three hundred thirteen".