220220020220 has 48 divisors (see below), whose sum is σ = 502505472000. Its totient is φ = 80759799360.

The previous prime is 220220020187. The next prime is 220220020261. The reversal of 220220020220 is 22020022022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220220020195 and 220220020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9335420 + ... + 9358979.

It is an arithmetic number, because the mean of its divisors is an integer number (10468864000).

Almost surely, 2^220220020220 is an apocalyptic number.

220220020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220020220 is an abundant number, since it is smaller than the sum of its proper divisors (282285451780).

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

220220020220 is a wasteful number, since it uses less digits than its factorization.

220220020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18694458 (or 18694456 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 220220020220 its reverse (22020022022), we get a palindrome (242240042242).

The spelling of 220220020220 in words is "two hundred twenty billion, two hundred twenty million, twenty thousand, two hundred twenty".