20013110347 has 2 divisors, whose sum is σ = 20013110348. Its totient is φ = 20013110346.

The previous prime is 20013110317. The next prime is 20013110357. The reversal of 20013110347 is 74301131002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013110347 is a prime.

It is a super-2 number, since 2×20013110347² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20013110317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006555173 + 10006555174.

It is an arithmetic number, because the mean of its divisors is an integer number (10006555174).

Almost surely, 2^20013110347 is an apocalyptic number.

20013110347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013110347 is an equidigital number, since it uses as much as digits as its factorization.

20013110347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 20013110347 its reverse (74301131002), we get a palindrome (94314241349).

The spelling of 20013110347 in words is "twenty billion, thirteen million, one hundred ten thousand, three hundred forty-seven".