206743130 has 32 divisors (see below), whose sum is σ = 414616320. Its totient is φ = 73577920.

The previous prime is 206743127. The next prime is 206743133. The reversal of 206743130 is 31347602.

It is an interprime number because it is at equal distance from previous prime (206743127) and next prime (206743133).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206743130.

It is not an unprimeable number, because it can be changed into a prime (206743133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14825 + ... + 25164.

It is an arithmetic number, because the mean of its divisors is an integer number (12956760).

Almost surely, 2^206743130 is an apocalyptic number.

206743130 is an abundant number, since it is smaller than the sum of its proper divisors (207873190).

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

206743130 is a wasteful number, since it uses less digits than its factorization.

206743130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40054.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 206743130 is about 14378.5649492569. The cubic root of 206743130 is about 591.3033811220.

The spelling of 206743130 in words is "two hundred six million, seven hundred forty-three thousand, one hundred thirty".