220011200 has 42 divisors (see below), whose sum is σ = 541368996. Its totient is φ = 88003840.

The previous prime is 220011199. The next prime is 220011223. The reversal of 220011200 is 2110022.

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, 67154 + ... + 70353.

It is an arithmetic number, because the mean of its divisors is an integer number (12889738).

Almost surely, 2^220011200 is an apocalyptic number.

220011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011200 is an abundant number, since it is smaller than the sum of its proper divisors (321357796).

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

220011200 is a wasteful number, since it uses less digits than its factorization.

220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137529 (or 137514 counting only the distinct ones).

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

The square root of 220011200 is about 14832.7745213092. The cubic root of 220011200 is about 603.6913177908.

Adding to 220011200 its reverse (2110022), we get a palindrome (222121222).

The spelling of 220011200 in words is "two hundred twenty million, eleven thousand, two hundred".