200220100100 has 18 divisors (see below), whose sum is σ = 434477617434. Its totient is φ = 80088040000.

The previous prime is 200220100079. The next prime is 200220100127. The reversal of 200220100100 is 1001022002.

It can be written as a sum of positive squares in 3 ways, for example, as 35857967044 + 164362133056 = 189362^2 + 405416^2 .

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, 1001100401 + ... + 1001100600.

It is an arithmetic number, because the mean of its divisors is an integer number (24137645413).

Almost surely, 2^200220100100 is an apocalyptic number.

200220100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200220100100 is an abundant number, since it is smaller than the sum of its proper divisors (234257517334).

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

200220100100 is a wasteful number, since it uses less digits than its factorization.

200220100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002201015 (or 2002201008 counting only the distinct ones).

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

Adding to 200220100100 its reverse (1001022002), we get a palindrome (201221122102).

The spelling of 200220100100 in words is "two hundred billion, two hundred twenty million, one hundred thousand, one hundred".