20331300342011 has 2 divisors, whose sum is σ = 20331300342012. Its totient is φ = 20331300342010.

The previous prime is 20331300341987. The next prime is 20331300342079. The reversal of 20331300342011 is 11024300313302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20331300342011 - 2¹⁴ = 20331300325627 is a prime.

It is not a weakly prime, because it can be changed into another prime (20331300342091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165650171005 + 10165650171006.

It is an arithmetic number, because the mean of its divisors is an integer number (10165650171006).

Almost surely, 2^{20331300342011} is an apocalyptic number.

20331300342011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331300342011 is an equidigital number, since it uses as much as digits as its factorization.

20331300342011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20331300342011 its reverse (11024300313302), we get a palindrome (31355600655313).

The spelling of 20331300342011 in words is "twenty trillion, three hundred thirty-one billion, three hundred million, three hundred forty-two thousand, eleven".