220120323321 has 32 divisors (see below), whose sum is σ = 321216012288. Its totient is φ = 133478795520.

The previous prime is 220120323307. The next prime is 220120323413. The reversal of 220120323321 is 123323021022.

It is a happy number.

It is not a de Polignac number, because 220120323321 - 2⁵ = 220120323289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220120321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1080990 + ... + 1268376.

It is an arithmetic number, because the mean of its divisors is an integer number (10038000384).

Almost surely, 2^220120323321 is an apocalyptic number.

It is an amenable number.

220120323321 is a deficient number, since it is larger than the sum of its proper divisors (101095688967).

220120323321 is a wasteful number, since it uses less digits than its factorization.

220120323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188181.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220120323321 its reverse (123323021022), we get a palindrome (343443344343).

The spelling of 220120323321 in words is "two hundred twenty billion, one hundred twenty million, three hundred twenty-three thousand, three hundred twenty-one".