20324355011 has 2 divisors, whose sum is σ = 20324355012. Its totient is φ = 20324355010.

The previous prime is 20324354993. The next prime is 20324355013. The reversal of 20324355011 is 11055342302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20324355011 is a prime.

It is a super-2 number, since 2×20324355011² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 20324355013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20324355013) 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, 10162177505 + 10162177506.

It is an arithmetic number, because the mean of its divisors is an integer number (10162177506).

Almost surely, 2^20324355011 is an apocalyptic number.

20324355011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324355011 is an equidigital number, since it uses as much as digits as its factorization.

20324355011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20324355011 its reverse (11055342302), we get a palindrome (31379697313).

The spelling of 20324355011 in words is "twenty billion, three hundred twenty-four million, three hundred fifty-five thousand, eleven".