206705130 has 16 divisors (see below), whose sum is σ = 496092384. Its totient is φ = 55121360.

The previous prime is 206705119. The next prime is 206705153. The reversal of 206705130 is 31507602.

It is a self number, because there is not a number n which added to its sum of digits gives 206705130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3445056 + ... + 3445115.

It is an arithmetic number, because the mean of its divisors is an integer number (31005774).

Almost surely, 2^206705130 is an apocalyptic number.

206705130 is an abundant number, since it is smaller than the sum of its proper divisors (289387254).

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

206705130 is a wasteful number, since it uses less digits than its factorization.

206705130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890181.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 206705130 is about 14377.2434771065. The cubic root of 206705130 is about 591.2671511309.

The spelling of 206705130 in words is "two hundred six million, seven hundred five thousand, one hundred thirty".