208003130 has 8 divisors (see below), whose sum is σ = 374405652. Its totient is φ = 83201248.

The previous prime is 208003121. The next prime is 208003151. The reversal of 208003130 is 31300802.

It can be written as a sum of positive squares in 2 ways, for example, as 169078009 + 38925121 = 13003^2 + 6239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 208003099 and 208003108.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10400147 + ... + 10400166.

Almost surely, 2^208003130 is an apocalyptic number.

208003130 is a deficient number, since it is larger than the sum of its proper divisors (166402522).

208003130 is a wasteful number, since it uses less digits than its factorization.

208003130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800320.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 208003130 is about 14422.3136146736. The cubic root of 208003130 is about 592.5021856578.

Adding to 208003130 its reverse (31300802), we get a palindrome (239303932).

The spelling of 208003130 in words is "two hundred eight million, three thousand, one hundred thirty".