320213220310220 has 24 divisors (see below), whose sum is σ = 674052649930800. Its totient is φ = 127779595308992.

The previous prime is 320213220310199. The next prime is 320213220310261. The reversal of 320213220310220 is 22013022312023.

It is a super-3 number, since 3×320213220310220³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19105792355 + ... + 19105809114.

It is an arithmetic number, because the mean of its divisors is an integer number (28085527080450).

Almost surely, 2^{320213220310220} is an apocalyptic number.

It is an amenable number.

320213220310220 is an abundant number, since it is smaller than the sum of its proper divisors (353839429620580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320213220310220 is a wasteful number, since it uses less digits than its factorization.

320213220310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38211601897 (or 38211601895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320213220310220 its reverse (22013022312023), we get a palindrome (342226242622243).

The spelling of 320213220310220 in words is "three hundred twenty trillion, two hundred thirteen billion, two hundred twenty million, three hundred ten thousand, two hundred twenty".