20100010112200 has 24 divisors (see below), whose sum is σ = 46732523511330. Its totient is φ = 8040004044800.

The previous prime is 20100010112167. The next prime is 20100010112201. The reversal of 20100010112200 is 221101000102.

It can be written as a sum of positive squares in 3 ways, for example, as 19478646825444 + 621363286756 = 4413462^2 + 788266^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20100010112201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50250025081 + ... + 50250025480.

Almost surely, 2^{20100010112200} is an apocalyptic number.

20100010112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100010112200 is an abundant number, since it is smaller than the sum of its proper divisors (26632513399130).

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

20100010112200 is a wasteful number, since it uses less digits than its factorization.

20100010112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100500050577 (or 100500050568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20100010112200 its reverse (221101000102), we get a palindrome (20321111112302).

The spelling of 20100010112200 in words is "twenty trillion, one hundred billion, ten million, one hundred twelve thousand, two hundred".