206527680 has 84 divisors (see below), whose sum is σ = 710379072. Its totient is φ = 55073280.

The previous prime is 206527661. The next prime is 206527681. The reversal of 206527680 is 86725602.

It is a super-3 number, since 3×206527680³ (a number of 26 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (206527681) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 32976 + ... + 38735.

Almost surely, 2^206527680 is an apocalyptic number.

206527680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206527680 is an abundant number, since it is smaller than the sum of its proper divisors (503851392).

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

206527680 is a wasteful number, since it uses less digits than its factorization.

206527680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71734 (or 71721 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 206527680 is about 14371.0709413043. The cubic root of 206527680 is about 591.0979078003.

The spelling of 206527680 in words is "two hundred six million, five hundred twenty-seven thousand, six hundred eighty".