20100112022200 has 144 divisors (see below), whose sum is σ = 54790654245120. Its totient is φ = 6837203036160.

The previous prime is 20100112022131. The next prime is 20100112022203. The reversal of 20100112022200 is 222021100102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100112022203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6830329 + ... + 9319528.

It is an arithmetic number, because the mean of its divisors is an integer number (380490654480).

Almost surely, 2^{20100112022200} is an apocalyptic number.

20100112022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100112022200 is an abundant number, since it is smaller than the sum of its proper divisors (34690542222920).

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

20100112022200 is a wasteful number, since it uses less digits than its factorization.

20100112022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150014 (or 16149998 counting only the distinct ones).

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

Adding to 20100112022200 its reverse (222021100102), we get a palindrome (20322133122302).

The spelling of 20100112022200 in words is "twenty trillion, one hundred billion, one hundred twelve million, twenty-two thousand, two hundred".