220221200200 has 24 divisors (see below), whose sum is σ = 512014290930. Its totient is φ = 88088480000.

The previous prime is 220221200189. The next prime is 220221200209. The reversal of 220221200200 is 2002122022.

It can be written as a sum of positive squares in 3 ways, for example, as 201757282276 + 18463917924 = 449174^2 + 135882^2 .

It is not an unprimeable number, because it can be changed into a prime (220221200209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550552801 + ... + 550553200.

Almost surely, 2^220221200200 is an apocalyptic number.

220221200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221200200 is an abundant number, since it is smaller than the sum of its proper divisors (291793090730).

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

220221200200 is a wasteful number, since it uses less digits than its factorization.

220221200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101106017 (or 1101106008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220221200200 its reverse (2002122022), we get a palindrome (222223322222).

The spelling of 220221200200 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred thousand, two hundred".