206516030 has 32 divisors (see below), whose sum is σ = 428972544. Its totient is φ = 70115616.

The previous prime is 206516029. The next prime is 206516071. The reversal of 206516030 is 30615602.

It is a junction number, because it is equal to n+sod(n) for n = 206515987 and 206516005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7112 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (13405392).

Almost surely, 2^206516030 is an apocalyptic number.

206516030 is an abundant number, since it is smaller than the sum of its proper divisors (222456514).

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

206516030 is a wasteful number, since it uses less digits than its factorization.

206516030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28760.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 206516030 is about 14370.6656074101. The cubic root of 206516030 is about 591.0867931963.

The spelling of 206516030 in words is "two hundred six million, five hundred sixteen thousand, thirty".