206055100 has 18 divisors (see below), whose sum is σ = 447139784. Its totient is φ = 82422000.

The previous prime is 206055089. The next prime is 206055103. The reversal of 206055100 is 1550602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206055103) 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, 1030176 + ... + 1030375.

Almost surely, 2^206055100 is an apocalyptic number.

206055100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206055100 is an abundant number, since it is smaller than the sum of its proper divisors (241084684).

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

206055100 is a wasteful number, since it uses less digits than its factorization.

206055100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060565 (or 2060558 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 206055100 is about 14354.6194655240. The cubic root of 206055100 is about 590.6467101936.

The spelling of 206055100 in words is "two hundred six million, fifty-five thousand, one hundred".