206797320 has 256 divisors, whose sum is σ = 726739200. Its totient is φ = 52254720.

The previous prime is 206797319. The next prime is 206797343. The reversal of 206797320 is 23797602.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2832804 + ... + 2832876.

It is an arithmetic number, because the mean of its divisors is an integer number (2838825).

Almost surely, 2^206797320 is an apocalyptic number.

206797320 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 206797320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363369600).

206797320 is an abundant number, since it is smaller than the sum of its proper divisors (519941880).

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

206797320 is a wasteful number, since it uses less digits than its factorization.

206797320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 206797320 is about 14380.4492280318. The cubic root of 206797320 is about 591.3550393174.

The spelling of 206797320 in words is "two hundred six million, seven hundred ninety-seven thousand, three hundred twenty".