20000330011187 has 2 divisors, whose sum is σ = 20000330011188. Its totient is φ = 20000330011186.

The previous prime is 20000330011171. The next prime is 20000330011241. The reversal of 20000330011187 is 78111003300002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000330011187 - 2⁴ = 20000330011171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000330011087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000165005593 + 10000165005594.

It is an arithmetic number, because the mean of its divisors is an integer number (10000165005594).

Almost surely, 2^{20000330011187} is an apocalyptic number.

20000330011187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000330011187 is an equidigital number, since it uses as much as digits as its factorization.

20000330011187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 20000330011187 its reverse (78111003300002), we get a palindrome (98111333311189).

The spelling of 20000330011187 in words is "twenty trillion, three hundred thirty million, eleven thousand, one hundred eighty-seven".