206613420 has 48 divisors (see below), whose sum is σ = 623021280. Its totient is φ = 50858496.

The previous prime is 206613389. The next prime is 206613437. The reversal of 206613420 is 24316602.

206613420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131665 + ... + 133224.

It is an arithmetic number, because the mean of its divisors is an integer number (12979610).

Almost surely, 2^206613420 is an apocalyptic number.

206613420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206613420 is an abundant number, since it is smaller than the sum of its proper divisors (416407860).

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

206613420 is a wasteful number, since it uses less digits than its factorization.

206613420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264914 (or 264912 counting only the distinct ones).

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

The square root of 206613420 is about 14374.0537079837. The cubic root of 206613420 is about 591.1796946143.

The spelling of 206613420 in words is "two hundred six million, six hundred thirteen thousand, four hundred twenty".