206712900 has 54 divisors (see below), whose sum is σ = 647932922. Its totient is φ = 55123200.

The previous prime is 206712871. The next prime is 206712907. The reversal of 206712900 is 9217602.

206712900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 31203396 + 175509504 = 5586^2 + 13248^2 .

It is not an unprimeable number, because it can be changed into a prime (206712907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113941 + ... + 115740.

Almost surely, 2^206712900 is an apocalyptic number.

206712900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206712900 is an abundant number, since it is smaller than the sum of its proper divisors (441220022).

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

206712900 is a wasteful number, since it uses less digits than its factorization.

206712900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229701 (or 229691 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 206712900 is about 14377.5136932642. The cubic root of 206712900 is about 591.2745595717.

The spelling of 206712900 in words is "two hundred six million, seven hundred twelve thousand, nine hundred".