220320110130021 has 12 divisors (see below), whose sum is σ = 347171082629280. Its totient is φ = 133527339472680.

The previous prime is 220320110130007. The next prime is 220320110130061. The reversal of 220320110130021 is 120031011023022.

220320110130021 is a `hidden beast` number, since 2 + 20 + 320 + 1 + 1 + 0 + 1 + 300 + 21 = 666.

It is not a de Polignac number, because 220320110130021 - 2¹⁰ = 220320110128997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220320110129976 and 220320110130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320110130061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112727828841 + ... + 1112727829038.

It is an arithmetic number, because the mean of its divisors is an integer number (28930923552440).

Almost surely, 2^{220320110130021} is an apocalyptic number.

It is an amenable number.

220320110130021 is a deficient number, since it is larger than the sum of its proper divisors (126850972499259).

220320110130021 is a wasteful number, since it uses less digits than its factorization.

220320110130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225455657896 (or 2225455657893 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 220320110130021 its reverse (120031011023022), we get a palindrome (340351121153043).

The spelling of 220320110130021 in words is "two hundred twenty trillion, three hundred twenty billion, one hundred ten million, one hundred thirty thousand, twenty-one".