200110001220 has 144 divisors (see below), whose sum is σ = 614243710080. Its totient is φ = 52726722048.

The previous prime is 200110001173. The next prime is 200110001249. The reversal of 200110001220 is 22100011002.

200110001220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29585559 + ... + 29592321.

It is an arithmetic number, because the mean of its divisors is an integer number (4265581320).

Almost surely, 2^200110001220 is an apocalyptic number.

200110001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200110001220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307121855040).

200110001220 is an abundant number, since it is smaller than the sum of its proper divisors (414133708860).

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

200110001220 is a wasteful number, since it uses less digits than its factorization.

200110001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200110001220 its reverse (22100011002), we get a palindrome (222210012222).

The spelling of 200110001220 in words is "two hundred billion, one hundred ten million, one thousand, two hundred twenty".