220021302330220 has 24 divisors (see below), whose sum is σ = 462047831380800. Its totient is φ = 88007931124992.

The previous prime is 220021302330209. The next prime is 220021302330293. The reversal of 220021302330220 is 22033203120022.

It is a junction number, because it is equal to n+sod(n) for n = 220021302330191 and 220021302330200.

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, 33797805 + ... + 39778564.

It is an arithmetic number, because the mean of its divisors is an integer number (19251992974200).

Almost surely, 2^{220021302330220} is an apocalyptic number.

220021302330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021302330220 is an abundant number, since it is smaller than the sum of its proper divisors (242026529050580).

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

220021302330220 is a wasteful number, since it uses less digits than its factorization.

220021302330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73725897 (or 73725895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220021302330220 its reverse (22033203120022), we get a palindrome (242054505450242).

The spelling of 220021302330220 in words is "two hundred twenty trillion, twenty-one billion, three hundred two million, three hundred thirty thousand, two hundred twenty".