206420200 has 96 divisors (see below), whose sum is σ = 551482560. Its totient is φ = 70387200.

The previous prime is 206420197. The next prime is 206420209. The reversal of 206420200 is 2024602.

206420200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206420209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395940 + ... + 396460.

It is an arithmetic number, because the mean of its divisors is an integer number (5744610).

Almost surely, 2^206420200 is an apocalyptic number.

206420200 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 206420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275741280).

206420200 is an abundant number, since it is smaller than the sum of its proper divisors (345062360).

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

206420200 is a wasteful number, since it uses less digits than its factorization.

206420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 206420200 is about 14367.3309977880. The cubic root of 206420200 is about 590.9953513663.

Adding to 206420200 its reverse (2024602), we get a palindrome (208444802).

The spelling of 206420200 in words is "two hundred six million, four hundred twenty thousand, two hundred".