200011210011220 has 24 divisors (see below), whose sum is σ = 421149609513864. Its totient is φ = 79789994768256.

The previous prime is 200011210011161. The next prime is 200011210011281. The reversal of 200011210011220 is 22110012110002.

It can be written as a sum of positive squares in 4 ways, for example, as 14002309545156 + 186008900466064 = 3741966^2 + 13638508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200011210011220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13405569619 + ... + 13405584538.

It is an arithmetic number, because the mean of its divisors is an integer number (17547900396411).

Almost surely, 2^{200011210011220} is an apocalyptic number.

200011210011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011210011220 is an abundant number, since it is smaller than the sum of its proper divisors (221138399502644).

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

200011210011220 is a wasteful number, since it uses less digits than its factorization.

200011210011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26811154539 (or 26811154537 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200011210011220 its reverse (22110012110002), we get a palindrome (222121222121222).

The spelling of 200011210011220 in words is "two hundred trillion, eleven billion, two hundred ten million, eleven thousand, two hundred twenty".