206713340 has 24 divisors (see below), whose sum is σ = 436768080. Its totient is φ = 82176768.

The previous prime is 206713337. The next prime is 206713343. The reversal of 206713340 is 43317602.

206713340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206713337) and next prime (206713343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206713343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28445 + ... + 34964.

It is an arithmetic number, because the mean of its divisors is an integer number (18198670).

Almost surely, 2^206713340 is an apocalyptic number.

206713340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206713340 is an abundant number, since it is smaller than the sum of its proper divisors (230054740).

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

206713340 is a wasteful number, since it uses less digits than its factorization.

206713340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63581 (or 63579 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 206713340 is about 14377.5289949282. The cubic root of 206713340 is about 591.2749790918.

The spelling of 206713340 in words is "two hundred six million, seven hundred thirteen thousand, three hundred forty".