20011044424247 has 2 divisors, whose sum is σ = 20011044424248. Its totient is φ = 20011044424246.

The previous prime is 20011044424219. The next prime is 20011044424249. The reversal of 20011044424247 is 74242444011002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011044424247 - 2¹² = 20011044420151 is a prime.

Together with 20011044424249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011044424249) 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, 10005522212123 + 10005522212124.

It is an arithmetic number, because the mean of its divisors is an integer number (10005522212124).

Almost surely, 2^{20011044424247} is an apocalyptic number.

20011044424247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011044424247 is an equidigital number, since it uses as much as digits as its factorization.

20011044424247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 35.

Adding to 20011044424247 its reverse (74242444011002), we get a palindrome (94253488435249).

The spelling of 20011044424247 in words is "twenty trillion, eleven billion, forty-four million, four hundred twenty-four thousand, two hundred forty-seven".