211020020200 has 96 divisors (see below), whose sum is σ = 535773476160. Its totient is φ = 76655705600.

The previous prime is 211020020041. The next prime is 211020020203. The reversal of 211020020200 is 2020020112.

211020020200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (211020020203) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2113812 + ... + 2211388.

It is an arithmetic number, because the mean of its divisors is an integer number (5580973710).

Almost surely, 2^211020020200 is an apocalyptic number.

211020020200 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 211020020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267886738080).

211020020200 is an abundant number, since it is smaller than the sum of its proper divisors (324753455960).

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

211020020200 is a wasteful number, since it uses less digits than its factorization.

211020020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98587 (or 98578 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 211020020200 its reverse (2020020112), we get a palindrome (213040040312).

The spelling of 211020020200 in words is "two hundred eleven billion, twenty million, twenty thousand, two hundred".