209530060 has 12 divisors (see below), whose sum is σ = 440013168. Its totient is φ = 83812016.

The previous prime is 209530019. The next prime is 209530091. The reversal of 209530060 is 60035902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5238232 + ... + 5238271.

It is an arithmetic number, because the mean of its divisors is an integer number (36667764).

Almost surely, 2^209530060 is an apocalyptic number.

209530060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

209530060 is an abundant number, since it is smaller than the sum of its proper divisors (230483108).

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

209530060 is a wasteful number, since it uses less digits than its factorization.

209530060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476512 (or 10476510 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 209530060 is about 14475.1531943534. The cubic root of 209530060 is about 593.9484852936.

Adding to 209530060 its reverse (60035902), we get a palindrome (269565962).

The spelling of 209530060 in words is "two hundred nine million, five hundred thirty thousand, sixty".