206266020 has 48 divisors (see below), whose sum is σ = 578188800. Its totient is φ = 54942976.

The previous prime is 206266013. The next prime is 206266031. The reversal of 206266020 is 20662602.

206266020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84781 + ... + 87179.

It is an arithmetic number, because the mean of its divisors is an integer number (12045600).

Almost surely, 2^206266020 is an apocalyptic number.

206266020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206266020 is an abundant number, since it is smaller than the sum of its proper divisors (371922780).

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

206266020 is a wasteful number, since it uses less digits than its factorization.

206266020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 206266020 is about 14361.9643503248. The cubic root of 206266020 is about 590.8481720380.

The spelling of 206266020 in words is "two hundred six million, two hundred sixty-six thousand, twenty".