206562340 has 48 divisors (see below), whose sum is σ = 443822400. Its totient is φ = 80733312.

The previous prime is 206562329. The next prime is 206562361. The reversal of 206562340 is 43265602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 206562299 and 206562308.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 185706 + ... + 186814.

It is an arithmetic number, because the mean of its divisors is an integer number (9246300).

Almost surely, 2^206562340 is an apocalyptic number.

206562340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206562340 is an abundant number, since it is smaller than the sum of its proper divisors (237260060).

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

206562340 is a wasteful number, since it uses less digits than its factorization.

206562340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 206562340 is about 14372.2767855340. The cubic root of 206562340 is about 591.1309724683.

The spelling of 206562340 in words is "two hundred six million, five hundred sixty-two thousand, three hundred forty".