206080028 has 24 divisors (see below), whose sum is σ = 449629824. Its totient is φ = 80290800.

The previous prime is 206080009. The next prime is 206080051. The reversal of 206080028 is 820080602.

It is a junction number, because it is equal to n+sod(n) for n = 206079979 and 206080006.

It is a congruent number.

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, 334238 + ... + 334853.

It is an arithmetic number, because the mean of its divisors is an integer number (18734576).

Almost surely, 2^206080028 is an apocalyptic number.

206080028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

206080028 is an abundant number, since it is smaller than the sum of its proper divisors (243549796).

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

206080028 is a wasteful number, since it uses less digits than its factorization.

206080028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669113 (or 669111 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 206080028 is about 14355.4877311779. The cubic root of 206080028 is about 590.6705275245.

The spelling of 206080028 in words is "two hundred six million, eighty thousand, twenty-eight".