208069900 has 18 divisors (see below), whose sum is σ = 451511900. Its totient is φ = 83227920.

The previous prime is 208069889. The next prime is 208069903. The reversal of 208069900 is 9960802.

It is not an unprimeable number, because it can be changed into a prime (208069903) 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 5 ways as a sum of consecutive naturals, for example, 1040250 + ... + 1040449.

Almost surely, 2^208069900 is an apocalyptic number.

208069900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208069900 is an abundant number, since it is smaller than the sum of its proper divisors (243442000).

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

208069900 is a wasteful number, since it uses less digits than its factorization.

208069900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080713 (or 2080706 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 208069900 is about 14424.6282447764. The cubic root of 208069900 is about 592.5655775541.

The spelling of 208069900 in words is "two hundred eight million, sixty-nine thousand, nine hundred".