206484140 has 12 divisors (see below), whose sum is σ = 433616736. Its totient is φ = 82593648.

The previous prime is 206484137. The next prime is 206484167. The reversal of 206484140 is 41484602.

206484140 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 3 ways as a sum of consecutive naturals, for example, 5162084 + ... + 5162123.

It is an arithmetic number, because the mean of its divisors is an integer number (36134728).

Almost surely, 2^206484140 is an apocalyptic number.

206484140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206484140 is an abundant number, since it is smaller than the sum of its proper divisors (227132596).

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

206484140 is a wasteful number, since it uses less digits than its factorization.

206484140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324216 (or 10324214 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 206484140 is about 14369.5560126261. The cubic root of 206484140 is about 591.0563666185.

The spelling of 206484140 in words is "two hundred six million, four hundred eighty-four thousand, one hundred forty".