206315536 has 40 divisors (see below), whose sum is σ = 483719040. Its totient is φ = 83218944.

The previous prime is 206315503. The next prime is 206315569. The reversal of 206315536 is 635513602.

It is an interprime number because it is at equal distance from previous prime (206315503) and next prime (206315569).

It is a super-2 number, since 2×206315536² = 85132200789934592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206315498 and 206315507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52276 + ... + 56083.

It is an arithmetic number, because the mean of its divisors is an integer number (12092976).

Almost surely, 2^206315536 is an apocalyptic number.

It is an amenable number.

206315536 is an abundant number, since it is smaller than the sum of its proper divisors (277403504).

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

206315536 is a wasteful number, since it uses less digits than its factorization.

206315536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108391 (or 108385 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 206315536 is about 14363.6881057756. The cubic root of 206315536 is about 590.8954477151.

The spelling of 206315536 in words is "two hundred six million, three hundred fifteen thousand, five hundred thirty-six".