20200112112100 has 72 divisors (see below), whose sum is σ = 44184081287808. Its totient is φ = 8015601110400.

The previous prime is 20200112112097. The next prime is 20200112112119. The reversal of 20200112112100 is 121121100202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37948389 + ... + 38477011.

It is an arithmetic number, because the mean of its divisors is an integer number (613667795664).

Almost surely, 2^{20200112112100} is an apocalyptic number.

20200112112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200112112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22092040643904).

20200112112100 is an abundant number, since it is smaller than the sum of its proper divisors (23983969175708).

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

20200112112100 is a wasteful number, since it uses less digits than its factorization.

20200112112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531685 (or 531678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20200112112100 its reverse (121121100202), we get a palindrome (20321233212302).

The spelling of 20200112112100 in words is "twenty trillion, two hundred billion, one hundred twelve million, one hundred twelve thousand, one hundred".