206536330 has 128 divisors (see below), whose sum is σ = 510935040. Its totient is φ = 58026240.

The previous prime is 206536307. The next prime is 206536333. The reversal of 206536330 is 33635602.

It is not an unprimeable number, because it can be changed into a prime (206536333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 470251 + ... + 470689.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^206536330 is an apocalyptic number.

206536330 is an abundant number, since it is smaller than the sum of its proper divisors (304398710).

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

206536330 is a wasteful number, since it uses less digits than its factorization.

206536330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 206536330 is about 14371.3718899763. The cubic root of 206536330 is about 591.1061600041.

The spelling of 206536330 in words is "two hundred six million, five hundred thirty-six thousand, three hundred thirty".