206548340 has 12 divisors (see below), whose sum is σ = 433751556. Its totient is φ = 82619328.

The previous prime is 206548339. The next prime is 206548343. The reversal of 206548340 is 43845602.

It can be written as a sum of positive squares in 2 ways, for example, as 53085796 + 153462544 = 7286^2 + 12388^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 206548297 and 206548306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206548343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5163689 + ... + 5163728.

It is an arithmetic number, because the mean of its divisors is an integer number (36145963).

Almost surely, 2^206548340 is an apocalyptic number.

206548340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206548340 is an abundant number, since it is smaller than the sum of its proper divisors (227203216).

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

206548340 is a wasteful number, since it uses less digits than its factorization.

206548340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327426 (or 10327424 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 206548340 is about 14371.7897284924. The cubic root of 206548340 is about 591.1176173062.

It can be divided in two parts, 2065 and 48340, that added together give a palindrome (50405).

The spelling of 206548340 in words is "two hundred six million, five hundred forty-eight thousand, three hundred forty".