220310222321220 has 48 divisors (see below), whose sum is σ = 616875178028928. Its totient is φ = 58748768282880.

The previous prime is 220310222321117. The next prime is 220310222321239. The reversal of 220310222321220 is 22123222013022.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13803721 + ... + 25122960.

It is an arithmetic number, because the mean of its divisors is an integer number (12851566208936).

Almost surely, 2^{220310222321220} is an apocalyptic number.

220310222321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220310222321220 is an abundant number, since it is smaller than the sum of its proper divisors (396564955707708).

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

220310222321220 is a wasteful number, since it uses less digits than its factorization.

220310222321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39021020 (or 39021018 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 220310222321220 its reverse (22123222013022), we get a palindrome (242433444334242).

The spelling of 220310222321220 in words is "two hundred twenty trillion, three hundred ten billion, two hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty".