220211223200 has 36 divisors (see below), whose sum is σ = 537590650590. Its totient is φ = 88084488960.

The previous prime is 220211223187. The next prime is 220211223209. The reversal of 220211223200 is 2322112022.

It can be written as a sum of positive squares in 3 ways, for example, as 206955845776 + 13255377424 = 454924^2 + 115132^2 .

It is not an unprimeable number, because it can be changed into a prime (220211223209) 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 5 ways as a sum of consecutive naturals, for example, 137631215 + ... + 137632814.

Almost surely, 2^220211223200 is an apocalyptic number.

220211223200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211223200 is an abundant number, since it is smaller than the sum of its proper divisors (317379427390).

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

220211223200 is a wasteful number, since it uses less digits than its factorization.

220211223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275264049 (or 275264036 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 220211223200 its reverse (2322112022), we get a palindrome (222533335222).

The spelling of 220211223200 in words is "two hundred twenty billion, two hundred eleven million, two hundred twenty-three thousand, two hundred".