220000220221220 has 24 divisors (see below), whose sum is σ = 482087439094464. Its totient is φ = 84173997301856.

The previous prime is 220000220221193. The next prime is 220000220221237. The reversal of 220000220221220 is 22122022000022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239130673694 + ... + 239130674613.

It is an arithmetic number, because the mean of its divisors is an integer number (20086976628936).

Almost surely, 2^{220000220221220} is an apocalyptic number.

220000220221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000220221220 is an abundant number, since it is smaller than the sum of its proper divisors (262087218873244).

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

220000220221220 is a wasteful number, since it uses less digits than its factorization.

220000220221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478261348339 (or 478261348337 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220000220221220 its reverse (22122022000022), we get a palindrome (242122242221242).

The spelling of 220000220221220 in words is "two hundred twenty trillion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty".