20000111200200 has 72 divisors (see below), whose sum is σ = 67167040120050. Its totient is φ = 5333362986240.

The previous prime is 20000111200109. The next prime is 20000111200213. The reversal of 20000111200200 is 200211100002.

It can be written as a sum of positive squares in 3 ways, for example, as 12367699367076 + 7632411833124 = 3516774^2 + 2762682^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5555584645 + ... + 5555588244.

Almost surely, 2^{20000111200200} is an apocalyptic number.

20000111200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000111200200 is an abundant number, since it is smaller than the sum of its proper divisors (47166928919850).

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

20000111200200 is a wasteful number, since it uses less digits than its factorization.

20000111200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111172911 (or 11111172899 counting only the distinct ones).

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

Adding to 20000111200200 its reverse (200211100002), we get a palindrome (20200322300202).

The spelling of 20000111200200 in words is "twenty trillion, one hundred eleven million, two hundred thousand, two hundred".