206130915 has 48 divisors (see below), whose sum is σ = 364684320. Its totient is φ = 107688960.

The previous prime is 206130907. The next prime is 206130931. The reversal of 206130915 is 519031602.

206130915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206130915 - 2³ = 206130907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855195 + ... + 855435.

It is an arithmetic number, because the mean of its divisors is an integer number (7597590).

Almost surely, 2^206130915 is an apocalyptic number.

206130915 is a deficient number, since it is larger than the sum of its proper divisors (158553405).

206130915 is a wasteful number, since it uses less digits than its factorization.

206130915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 206130915 is about 14357.2600101830. The cubic root of 206130915 is about 590.7191412884.

The spelling of 206130915 in words is "two hundred six million, one hundred thirty thousand, nine hundred fifteen".