220680064266 has 8 divisors (see below), whose sum is σ = 441360128544. Its totient is φ = 73560021420.

The previous prime is 220680064261. The next prime is 220680064373. The reversal of 220680064266 is 662460086022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

220680064266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220680064261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18390005350 + ... + 18390005361.

It is an arithmetic number, because the mean of its divisors is an integer number (55170016068).

Almost surely, 2^220680064266 is an apocalyptic number.

220680064266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220680064266 is a wasteful number, since it uses less digits than its factorization.

220680064266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36780010716.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 220680064266 in words is "two hundred twenty billion, six hundred eighty million, sixty-four thousand, two hundred sixty-six".