208101256 has 32 divisors (see below), whose sum is σ = 432650880. Its totient is φ = 93038400.

The previous prime is 208101253. The next prime is 208101259. The reversal of 208101256 is 652101802.

It is an interprime number because it is at equal distance from previous prime (208101253) and next prime (208101259).

It is a super-2 number, since 2×208101256² = 86612265497555072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 208101256.

It is not an unprimeable number, because it can be changed into a prime (208101253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14016 + ... + 24751.

It is an arithmetic number, because the mean of its divisors is an integer number (13520340).

Almost surely, 2^208101256 is an apocalyptic number.

It is an amenable number.

208101256 is an abundant number, since it is smaller than the sum of its proper divisors (224549624).

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

208101256 is a wasteful number, since it uses less digits than its factorization.

208101256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38845 (or 38841 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 208101256 is about 14425.7150949268. The cubic root of 208101256 is about 592.5953424761.

The spelling of 208101256 in words is "two hundred eight million, one hundred one thousand, two hundred fifty-six".