220680064265 has 32 divisors (see below), whose sum is σ = 271885178880. Its totient is φ = 171900840384.

The previous prime is 220680064261. The next prime is 220680064373. The reversal of 220680064265 is 562460086022.

It is a cyclic number.

It is not a de Polignac number, because 220680064265 - 2² = 220680064261 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 19239062 + ... + 19250528.

It is an arithmetic number, because the mean of its divisors is an integer number (8496411840).

Almost surely, 2^220680064265 is an apocalyptic number.

It is an amenable number.

220680064265 is a deficient number, since it is larger than the sum of its proper divisors (51205114615).

220680064265 is a wasteful number, since it uses less digits than its factorization.

220680064265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12221.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 220680064265 in words is "two hundred twenty billion, six hundred eighty million, sixty-four thousand, two hundred sixty-five".