206705945300 has 18 divisors (see below), whose sum is σ = 448551901518. Its totient is φ = 82682378080.

The previous prime is 206705945297. The next prime is 206705945311. The reversal of 206705945300 is 3549507602.

It can be written as a sum of positive squares in 3 ways, for example, as 1652747716 + 205053197584 = 40654^2 + 452828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1033529627 + ... + 1033529826.

Almost surely, 2^206705945300 is an apocalyptic number.

206705945300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206705945300 is an abundant number, since it is smaller than the sum of its proper divisors (241845956218).

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

206705945300 is a wasteful number, since it uses less digits than its factorization.

206705945300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067059467 (or 2067059460 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 206705945300 in words is "two hundred six billion, seven hundred five million, nine hundred forty-five thousand, three hundred".