220640210330195 has 4 divisors (see below), whose sum is σ = 264768252396240. Its totient is φ = 176512168264152.

The previous prime is 220640210330179. The next prime is 220640210330261. The reversal of 220640210330195 is 591033012046022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220640210330195 - 2⁴ = 220640210330179 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22064021033015 + ... + 22064021033024.

It is an arithmetic number, because the mean of its divisors is an integer number (66192063099060).

Almost surely, 2^{220640210330195} is an apocalyptic number.

220640210330195 is a deficient number, since it is larger than the sum of its proper divisors (44128042066045).

220640210330195 is an equidigital number, since it uses as much as digits as its factorization.

220640210330195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44128042066044.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 220640210330195 in words is "two hundred twenty trillion, six hundred forty billion, two hundred ten million, three hundred thirty thousand, one hundred ninety-five".