206810632 has 32 divisors (see below), whose sum is σ = 443776320. Its totient is φ = 88511040.

The previous prime is 206810623. The next prime is 206810633. The reversal of 206810632 is 236018602.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 206810632.

It is not an unprimeable number, because it can be changed into a prime (206810633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47007 + ... + 51217.

It is an arithmetic number, because the mean of its divisors is an integer number (13868010).

Almost surely, 2^206810632 is an apocalyptic number.

It is an amenable number.

206810632 is an abundant number, since it is smaller than the sum of its proper divisors (236965688).

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

206810632 is a wasteful number, since it uses less digits than its factorization.

206810632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 206810632 is about 14380.9120712144. The cubic root of 206810632 is about 591.3677279882.

The spelling of 206810632 in words is "two hundred six million, eight hundred ten thousand, six hundred thirty-two".