206065100 has 36 divisors (see below), whose sum is σ = 448018200. Its totient is φ = 82268160.

The previous prime is 206065049. The next prime is 206065103. The reversal of 206065100 is 1560602.

206065100 is digitally balanced in base 3, 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 (20).

It is not an unprimeable number, because it can be changed into a prime (206065103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60236 + ... + 63564.

It is an arithmetic number, because the mean of its divisors is an integer number (12444950).

Almost surely, 2^206065100 is an apocalyptic number.

206065100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206065100 is an abundant number, since it is smaller than the sum of its proper divisors (241953100).

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

206065100 is a wasteful number, since it uses less digits than its factorization.

206065100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 206065100 is about 14354.9677812247. The cubic root of 206065100 is about 590.6562648735.

The spelling of 206065100 in words is "two hundred six million, sixty-five thousand, one hundred".