206105130 has 96 divisors (see below), whose sum is σ = 668124288. Its totient is φ = 42825600.

The previous prime is 206105111. The next prime is 206105147. The reversal of 206105130 is 31501602.

206105130 is a `hidden beast` number, since 2 + 0 + 610 + 51 + 3 + 0 = 666.

It is a super-2 number, since 2×206105130² = 84958649224633800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 7941 + ... + 21800.

It is an arithmetic number, because the mean of its divisors is an integer number (6959628).

Almost surely, 2^206105130 is an apocalyptic number.

206105130 is an abundant number, since it is smaller than the sum of its proper divisors (462019158).

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

206105130 is a wasteful number, since it uses less digits than its factorization.

206105130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29772 (or 29769 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 206105130 is about 14356.3620043519. The cubic root of 206105130 is about 590.6945091621.

Adding to 206105130 its reverse (31501602), we get a palindrome (237606732).

The spelling of 206105130 in words is "two hundred six million, one hundred five thousand, one hundred thirty".