208120936 has 32 divisors (see below), whose sum is σ = 427437000. Its totient is φ = 94560256.

The previous prime is 208120931. The next prime is 208120981. The reversal of 208120936 is 639021802.

208120936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 183060900 + 25060036 = 13530^2 + 5006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 208120898 and 208120907.

It is not an unprimeable number, because it can be changed into a prime (208120931) 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, 22441 + ... + 30328.

Almost surely, 2^208120936 is an apocalyptic number.

It is an amenable number.

208120936 is an abundant number, since it is smaller than the sum of its proper divisors (219316064).

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

208120936 is a wasteful number, since it uses less digits than its factorization.

208120936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52821 (or 52817 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 208120936 is about 14426.3971940329. The cubic root of 208120936 is about 592.6140223388.

The spelling of 208120936 in words is "two hundred eight million, one hundred twenty thousand, nine hundred thirty-six".