209600030 has 16 divisors (see below), whose sum is σ = 379542240. Its totient is φ = 83337312.

The previous prime is 209600011. The next prime is 209600033. The reversal of 209600030 is 30006902.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 209599975 and 209600011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209600033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61085 + ... + 64424.

It is an arithmetic number, because the mean of its divisors is an integer number (23721390).

Almost surely, 2^209600030 is an apocalyptic number.

209600030 is a deficient number, since it is larger than the sum of its proper divisors (169942210).

209600030 is a wasteful number, since it uses less digits than its factorization.

209600030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125683.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 209600030 is about 14477.5698927686. The cubic root of 209600030 is about 594.0145918789.

Adding to 209600030 its reverse (30006902), we get a palindrome (239606932).

The spelling of 209600030 in words is "two hundred nine million, six hundred thousand, thirty".