20320222002111 has 16 divisors (see below), whose sum is σ = 30105127315200. Its totient is φ = 13546322044344.

The previous prime is 20320222002109. The next prime is 20320222002167. The reversal of 20320222002111 is 11120022202302.

It is not a de Polignac number, because 20320222002111 - 2¹ = 20320222002109 is a prime.

It is a super-2 number, since 2×20320222002111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320222003111) 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, 12927001 + ... + 14413458.

It is an arithmetic number, because the mean of its divisors is an integer number (1881570457200).

Almost surely, 2^{20320222002111} is an apocalyptic number.

20320222002111 is a deficient number, since it is larger than the sum of its proper divisors (9784905313089).

20320222002111 is a wasteful number, since it uses less digits than its factorization.

20320222002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27367995 (or 27367989 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20320222002111 its reverse (11120022202302), we get a palindrome (31440244204413).

The spelling of 20320222002111 in words is "twenty trillion, three hundred twenty billion, two hundred twenty-two million, two thousand, one hundred eleven".