206813000 has 32 divisors (see below), whose sum is σ = 483944760. Its totient is φ = 82724800.

The previous prime is 206812951. The next prime is 206813011. The reversal of 206813000 is 318602.

206813000 is digitally balanced in base 2 and base 3, because in such bases 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 91508356 + 115304644 = 9566^2 + 10738^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 102407 + ... + 104406.

Almost surely, 2^206813000 is an apocalyptic number.

206813000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206813000 is an abundant number, since it is smaller than the sum of its proper divisors (277131760).

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

206813000 is a wasteful number, since it uses less digits than its factorization.

206813000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206834 (or 206820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 206813000 is about 14380.9944023353. The cubic root of 206813000 is about 591.3699850505.

The spelling of 206813000 in words is "two hundred six million, eight hundred thirteen thousand".