206702417082 has 64 divisors (see below), whose sum is σ = 480595368960. Its totient is φ = 58041767424.

The previous prime is 206702417069. The next prime is 206702417083. The reversal of 206702417082 is 280714207602.

It is a self number, because there is not a number n which added to its sum of digits gives 206702417082.

It is not an unprimeable number, because it can be changed into a prime (206702417083) 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, 12389098 + ... + 12405770.

It is an arithmetic number, because the mean of its divisors is an integer number (7509302640).

Almost surely, 2^206702417082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206702417082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240297684480).

206702417082 is an abundant number, since it is smaller than the sum of its proper divisors (273892951878).

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

206702417082 is a wasteful number, since it uses less digits than its factorization.

206702417082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21747.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 206702417082 in words is "two hundred six billion, seven hundred two million, four hundred seventeen thousand, eighty-two".