220141797217 has 4 divisors (see below), whose sum is σ = 220447975680. Its totient is φ = 219835618756.

The previous prime is 220141797209. The next prime is 220141797221. The reversal of 220141797217 is 712797141022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220141797217 - 2³ = 220141797209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220141797257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153088153 + ... + 153089590.

It is an arithmetic number, because the mean of its divisors is an integer number (55111993920).

Almost surely, 2^220141797217 is an apocalyptic number.

It is an amenable number.

220141797217 is a deficient number, since it is larger than the sum of its proper divisors (306178463).

220141797217 is an equidigital number, since it uses as much as digits as its factorization.

220141797217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306178462.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 220141797217 in words is "two hundred twenty billion, one hundred forty-one million, seven hundred ninety-seven thousand, two hundred seventeen".