206552020 has 24 divisors (see below), whose sum is σ = 434095200. Its totient is φ = 82556832.

The previous prime is 206552011. The next prime is 206552033. The reversal of 206552020 is 20255602.

It is a junction number, because it is equal to n+sod(n) for n = 206551982 and 206552000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29191 + ... + 35569.

It is an arithmetic number, because the mean of its divisors is an integer number (18087300).

Almost surely, 2^206552020 is an apocalyptic number.

206552020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206552020 is an abundant number, since it is smaller than the sum of its proper divisors (227543180).

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

206552020 is a wasteful number, since it uses less digits than its factorization.

206552020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 206552020 is about 14371.9177565139. The cubic root of 206552020 is about 591.1211278644.

The spelling of 206552020 in words is "two hundred six million, five hundred fifty-two thousand, twenty".