20221020332311 has 16 divisors (see below), whose sum is σ = 21191283187200. Its totient is φ = 19258508602080.

The previous prime is 20221020332297. The next prime is 20221020332321. The reversal of 20221020332311 is 11323302012202.

It is not a de Polignac number, because 20221020332311 - 2¹¹ = 20221020330263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221020332321) 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, 3723846 + ... + 7369468.

It is an arithmetic number, because the mean of its divisors is an integer number (1324455199200).

Almost surely, 2^{20221020332311} is an apocalyptic number.

20221020332311 is a deficient number, since it is larger than the sum of its proper divisors (970262854889).

20221020332311 is a wasteful number, since it uses less digits than its factorization.

20221020332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646686.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20221020332311 its reverse (11323302012202), we get a palindrome (31544322344513).

The spelling of 20221020332311 in words is "twenty trillion, two hundred twenty-one billion, twenty million, three hundred thirty-two thousand, three hundred eleven".