20301240347 has 2 divisors, whose sum is σ = 20301240348. Its totient is φ = 20301240346.

The previous prime is 20301240341. The next prime is 20301240361. The reversal of 20301240347 is 74304210302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20301240347 - 2¹² = 20301236251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301240341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150620173 + 10150620174.

It is an arithmetic number, because the mean of its divisors is an integer number (10150620174).

Almost surely, 2^20301240347 is an apocalyptic number.

20301240347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301240347 is an equidigital number, since it uses as much as digits as its factorization.

20301240347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 20301240347 its reverse (74304210302), we get a palindrome (94605450649).

The spelling of 20301240347 in words is "twenty billion, three hundred one million, two hundred forty thousand, three hundred forty-seven".