200112220100020 has 12 divisors (see below), whose sum is σ = 420235662210084. Its totient is φ = 80044888040000.

The previous prime is 200112220099931. The next prime is 200112220100041. The reversal of 200112220100020 is 20001022211002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118541662883856 + 81570557216164 = 10887684^2 + 9031642^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002805502481 + ... + 5002805502520.

It is an arithmetic number, because the mean of its divisors is an integer number (35019638517507).

Almost surely, 2^{200112220100020} is an apocalyptic number.

200112220100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200112220100020 is an abundant number, since it is smaller than the sum of its proper divisors (220123442110064).

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

200112220100020 is a wasteful number, since it uses less digits than its factorization.

200112220100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005611005010 (or 10005611005008 counting only the distinct ones).

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

Adding to 200112220100020 its reverse (20001022211002), we get a palindrome (220113242311022).

The spelling of 200112220100020 in words is "two hundred trillion, one hundred twelve billion, two hundred twenty million, one hundred thousand, twenty".