20301103 has 2 divisors, whose sum is σ = 20301104. Its totient is φ = 20301102.

The previous prime is 20301097. The next prime is 20301107. The reversal of 20301103 is 30110302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20301103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20301103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150551 + 10150552.

It is an arithmetic number, because the mean of its divisors is an integer number (10150552).

Almost surely, 2^20301103 is an apocalyptic number.

20301103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301103 is an equidigital number, since it uses as much as digits as its factorization.

20301103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 20301103 is about 4505.6745332969. The cubic root of 20301103 is about 272.7971810452.

Adding to 20301103 its reverse (30110302), we get a palindrome (50411405).

The spelling of 20301103 in words is "twenty million, three hundred one thousand, one hundred three".