220020200 has 24 divisors (see below), whose sum is σ = 511547430. Its totient is φ = 88008000.

The previous prime is 220020191. The next prime is 220020217. The reversal of 220020200 is 2020022.

It can be written as a sum of positive squares in 3 ways, for example, as 163379524 + 56640676 = 12782^2 + 7526^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 549851 + ... + 550250.

Almost surely, 2^220020200 is an apocalyptic number.

220020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020200 is an abundant number, since it is smaller than the sum of its proper divisors (291527230).

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

220020200 is a wasteful number, since it uses less digits than its factorization.

220020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100117 (or 1100108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 220020200 is about 14833.0779004224. The cubic root of 220020200 is about 603.6995494138.

Adding to 220020200 its reverse (2020022), we get a palindrome (222040222).

The spelling of 220020200 in words is "two hundred twenty million, twenty thousand, two hundred".