20303003111047 has 2 divisors, whose sum is σ = 20303003111048. Its totient is φ = 20303003111046.

The previous prime is 20303003110991. The next prime is 20303003111057. The reversal of 20303003111047 is 74011130030302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20303003111047 is a prime.

It is a super-2 number, since 2×20303003111047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20303003111057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151501555523 + 10151501555524.

It is an arithmetic number, because the mean of its divisors is an integer number (10151501555524).

Almost surely, 2^{20303003111047} is an apocalyptic number.

20303003111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20303003111047 is an equidigital number, since it uses as much as digits as its factorization.

20303003111047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 20303003111047 its reverse (74011130030302), we get a palindrome (94314133141349).

The spelling of 20303003111047 in words is "twenty trillion, three hundred three billion, three million, one hundred eleven thousand, forty-seven".