208320092 has 12 divisors (see below), whose sum is σ = 364934976. Its totient is φ = 104052960.

The previous prime is 208320083. The next prime is 208320097. The reversal of 208320092 is 290023802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208320097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22313 + ... + 30240.

It is an arithmetic number, because the mean of its divisors is an integer number (30411248).

Almost surely, 2^208320092 is an apocalyptic number.

It is an amenable number.

208320092 is a deficient number, since it is larger than the sum of its proper divisors (156614884).

208320092 is a wasteful number, since it uses less digits than its factorization.

208320092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53548 (or 53546 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 208320092 is about 14433.2980292101. The cubic root of 208320092 is about 592.8029910129.

Adding to 208320092 its reverse (290023802), we get a palindrome (498343894).

The spelling of 208320092 in words is "two hundred eight million, three hundred twenty thousand, ninety-two".