206481330 has 96 divisors (see below), whose sum is σ = 600058368. Its totient is φ = 48825600.

The previous prime is 206481323. The next prime is 206481347. The reversal of 206481330 is 33184602.

It is a happy number.

206481330 is a `hidden beast` number, since 2 + 0 + 648 + 13 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 206481294 and 206481303.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38047 + ... + 43133.

It is an arithmetic number, because the mean of its divisors is an integer number (6250608).

Almost surely, 2^206481330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206481330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300029184).

206481330 is an abundant number, since it is smaller than the sum of its proper divisors (393577038).

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

206481330 is a wasteful number, since it uses less digits than its factorization.

206481330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152 (or 5149 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 206481330 is about 14369.4582361340. The cubic root of 206481330 is about 591.0536854184.

The spelling of 206481330 in words is "two hundred six million, four hundred eighty-one thousand, three hundred thirty".