20321331340011 has 16 divisors (see below), whose sum is σ = 29271395997984. Its totient is φ = 12465985342464.

The previous prime is 20321331340001. The next prime is 20321331340027. The reversal of 20321331340011 is 11004313312302.

It is not a de Polignac number, because 20321331340011 - 2¹⁷ = 20321331208939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20321331340001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821848486 + ... + 821873211.

It is an arithmetic number, because the mean of its divisors is an integer number (1829462249874).

Almost surely, 2^{20321331340011} is an apocalyptic number.

20321331340011 is a deficient number, since it is larger than the sum of its proper divisors (8950064657973).

20321331340011 is a wasteful number, since it uses less digits than its factorization.

20321331340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643722030.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20321331340011 its reverse (11004313312302), we get a palindrome (31325644652313).

The spelling of 20321331340011 in words is "twenty trillion, three hundred twenty-one billion, three hundred thirty-one million, three hundred forty thousand, eleven".