20201311332321 has 16 divisors (see below), whose sum is σ = 32593712402304. Its totient is φ = 10864570800384.

The previous prime is 20201311332311. The next prime is 20201311332361. The reversal of 20201311332321 is 12323311310202.

It is not a de Polignac number, because 20201311332321 - 2¹⁰ = 20201311331297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201311332291 and 20201311332300.

It is not an unprimeable number, because it can be changed into a prime (20201311332311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28293152770 + ... + 28293153483.

It is an arithmetic number, because the mean of its divisors is an integer number (2037107025144).

Almost surely, 2^{20201311332321} is an apocalyptic number.

20201311332321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20201311332321 is a deficient number, since it is larger than the sum of its proper divisors (12392401069983).

20201311332321 is a wasteful number, since it uses less digits than its factorization.

20201311332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56586306280.

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

Adding to 20201311332321 its reverse (12323311310202), we get a palindrome (32524622642523).

The spelling of 20201311332321 in words is "twenty trillion, two hundred one billion, three hundred eleven million, three hundred thirty-two thousand, three hundred twenty-one".