200112102200020 has 24 divisors (see below), whose sum is σ = 420651901693800. Its totient is φ = 79965510008832.

The previous prime is 200112102200011. The next prime is 200112102200093. The reversal of 200112102200020 is 20002201211002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1210554463504 + 198901547736516 = 1100252^2 + 14103246^2 .

It is a super-2 number, since 2×200112102200020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4958158765 + ... + 4958199124.

It is an arithmetic number, because the mean of its divisors is an integer number (17527162570575).

Almost surely, 2^{200112102200020} is an apocalyptic number.

200112102200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200112102200020 is an abundant number, since it is smaller than the sum of its proper divisors (220539799493780).

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

200112102200020 is a wasteful number, since it uses less digits than its factorization.

200112102200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916358907 (or 9916358905 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200112102200020 its reverse (20002201211002), we get a palindrome (220114303411022).

The spelling of 200112102200020 in words is "two hundred trillion, one hundred twelve billion, one hundred two million, two hundred thousand, twenty".