220020208 has 40 divisors (see below), whose sum is σ = 446364288. Its totient is φ = 104862912.

The previous prime is 220020191. The next prime is 220020217. The reversal of 220020208 is 802020022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220020191 and 220020200.

It is a congruent number.

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, 126835 + ... + 128557.

Almost surely, 2^220020208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220020208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223182144).

220020208 is an abundant number, since it is smaller than the sum of its proper divisors (226344080).

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

220020208 is a wasteful number, since it uses less digits than its factorization.

220020208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 220020208 is about 14833.0781700900. The cubic root of 220020208 is about 603.6995567307.

The spelling of 220020208 in words is "two hundred twenty million, twenty thousand, two hundred eight".