206406830268210 has 128 divisors (see below), whose sum is σ = 582644271654144. Its totient is φ = 46136273218560.

The previous prime is 206406830268161. The next prime is 206406830268269. The reversal of 206406830268210 is 12862038604602.

It is a super-3 number, since 3×206406830268210³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206406830268210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23668389 + ... + 31193048.

It is an arithmetic number, because the mean of its divisors is an integer number (4551908372298).

Almost surely, 2^{206406830268210} is an apocalyptic number.

206406830268210 is an abundant number, since it is smaller than the sum of its proper divisors (376237441385934).

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

206406830268210 is a wasteful number, since it uses less digits than its factorization.

206406830268210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54862348.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 206406830268210 in words is "two hundred six trillion, four hundred six billion, eight hundred thirty million, two hundred sixty-eight thousand, two hundred ten".