206246020 has 12 divisors (see below), whose sum is σ = 433116684. Its totient is φ = 82498400.

The previous prime is 206246009. The next prime is 206246039. The reversal of 206246020 is 20642602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99082116 + 107163904 = 9954^2 + 10352^2 .

It is a junction number, because it is equal to n+sod(n) for n = 206245982 and 206246000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5156131 + ... + 5156170.

It is an arithmetic number, because the mean of its divisors is an integer number (36093057).

Almost surely, 2^206246020 is an apocalyptic number.

206246020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206246020 is an abundant number, since it is smaller than the sum of its proper divisors (226870664).

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

206246020 is a wasteful number, since it uses less digits than its factorization.

206246020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312310 (or 10312308 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 206246020 is about 14361.2680498624. The cubic root of 206246020 is about 590.8290747813.

Adding to 206246020 its reverse (20642602), we get a palindrome (226888622).

The spelling of 206246020 in words is "two hundred six million, two hundred forty-six thousand, twenty".