206801128 has 32 divisors (see below), whose sum is σ = 401961600. Its totient is φ = 99677952.

The previous prime is 206801113. The next prime is 206801137. The reversal of 206801128 is 821108602.

It is a junction number, because it is equal to n+sod(n) for n = 206801096 and 206801105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21088 + ... + 29296.

It is an arithmetic number, because the mean of its divisors is an integer number (12561300).

Almost surely, 2^206801128 is an apocalyptic number.

It is an amenable number.

206801128 is a deficient number, since it is larger than the sum of its proper divisors (195160472).

206801128 is a wasteful number, since it uses less digits than its factorization.

206801128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329 (or 8325 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 206801128 is about 14380.5816294057. The cubic root of 206801128 is about 591.3586690649.

The spelling of 206801128 in words is "two hundred six million, eight hundred one thousand, one hundred twenty-eight".