206320500 has 384 divisors, whose sum is σ = 754790400. Its totient is φ = 48384000.

The previous prime is 206320453. The next prime is 206320501. The reversal of 206320500 is 5023602.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206320501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6655485 + ... + 6655515.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^206320500 is an apocalyptic number.

206320500 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 206320500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377395200).

206320500 is an abundant number, since it is smaller than the sum of its proper divisors (548469900).

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

206320500 is a wasteful number, since it uses less digits than its factorization.

206320500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 206320500 is about 14363.8609015821. The cubic root of 206320500 is about 590.9001867046.

The spelling of 206320500 in words is "two hundred six million, three hundred twenty thousand, five hundred".