108820206 has 64 divisors (see below), whose sum is σ = 265628160. Its totient is φ = 32748480.

The previous prime is 108820171. The next prime is 108820207. The reversal of 108820206 is 602028801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108820206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108820207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98650 + ... + 99746.

It is an arithmetic number, because the mean of its divisors is an integer number (4150440).

Almost surely, 2^108820206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108820206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132814080).

108820206 is an abundant number, since it is smaller than the sum of its proper divisors (156807954).

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

108820206 is a wasteful number, since it uses less digits than its factorization.

108820206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 108820206 is about 10431.6923842682. The cubic root of 108820206 is about 477.4228282766.

The spelling of 108820206 in words is "one hundred eight million, eight hundred twenty thousand, two hundred six".