20424320011 has 2 divisors, whose sum is σ = 20424320012. Its totient is φ = 20424320010.

The previous prime is 20424320003. The next prime is 20424320029. The reversal of 20424320011 is 11002342402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20424320011 - 2³ = 20424320003 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424320311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212160005 + 10212160006.

It is an arithmetic number, because the mean of its divisors is an integer number (10212160006).

Almost surely, 2^20424320011 is an apocalyptic number.

20424320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424320011 is an equidigital number, since it uses as much as digits as its factorization.

20424320011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20424320011 its reverse (11002342402), we get a palindrome (31426662413).

The spelling of 20424320011 in words is "twenty billion, four hundred twenty-four million, three hundred twenty thousand, eleven".