206671283320 has 128 divisors (see below), whose sum is σ = 480539822400. Its totient is φ = 79937335296.

The previous prime is 206671283267. The next prime is 206671283327. The reversal of 206671283320 is 23382176602.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206671283327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305274822 + ... + 305275498.

Almost surely, 2^206671283320 is an apocalyptic number.

206671283320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206671283320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240269911200).

206671283320 is an abundant number, since it is smaller than the sum of its proper divisors (273868539080).

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

206671283320 is a wasteful number, since it uses less digits than its factorization.

206671283320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 206671283320 in words is "two hundred six billion, six hundred seventy-one million, two hundred eighty-three thousand, three hundred twenty".