208201100 has 36 divisors (see below), whose sum is σ = 452965800. Its totient is φ = 83064960.

The previous prime is 208201099. The next prime is 208201139. The reversal of 208201100 is 1102802.

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 11 ways as a sum of consecutive naturals, for example, 39416 + ... + 44384.

Almost surely, 2^208201100 is an apocalyptic number.

208201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208201100 is an abundant number, since it is smaller than the sum of its proper divisors (244764700).

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

208201100 is a wasteful number, since it uses less digits than its factorization.

208201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 208201100 is about 14429.1753056091. The cubic root of 208201100 is about 592.6901002405.

Adding to 208201100 its reverse (1102802), we get a palindrome (209303902).

The spelling of 208201100 in words is "two hundred eight million, two hundred one thousand, one hundred".