220320033220 has 48 divisors (see below), whose sum is σ = 535461373440. Its totient is φ = 74582112384.

The previous prime is 220320033187. The next prime is 220320033221. The reversal of 220320033220 is 22330023022.

It is not an unprimeable number, because it can be changed into a prime (220320033221) 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 15 ways as a sum of consecutive naturals, for example, 9949159 + ... + 9971278.

It is an arithmetic number, because the mean of its divisors is an integer number (11155445280).

Almost surely, 2^220320033220 is an apocalyptic number.

220320033220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220320033220 is an abundant number, since it is smaller than the sum of its proper divisors (315141340220).

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

220320033220 is a wasteful number, since it uses less digits than its factorization.

220320033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19920532 (or 19920530 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 220320033220 its reverse (22330023022), we get a palindrome (242650056242).

The spelling of 220320033220 in words is "two hundred twenty billion, three hundred twenty million, thirty-three thousand, two hundred twenty".