206620116 has 12 divisors (see below), whose sum is σ = 482113632. Its totient is φ = 68873368.

The previous prime is 206620111. The next prime is 206620123. The reversal of 206620116 is 611026602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206620111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8609160 + ... + 8609183.

It is an arithmetic number, because the mean of its divisors is an integer number (40176136).

Almost surely, 2^206620116 is an apocalyptic number.

It is an amenable number.

206620116 is an abundant number, since it is smaller than the sum of its proper divisors (275493516).

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

206620116 is a wasteful number, since it uses less digits than its factorization.

206620116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17218350 (or 17218348 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 206620116 is about 14374.2866257773. The cubic root of 206620116 is about 591.1860809315.

Adding to 206620116 its reverse (611026602), we get a palindrome (817646718).

The spelling of 206620116 in words is "two hundred six million, six hundred twenty thousand, one hundred sixteen".