220296390197 has 8 divisors (see below), whose sum is σ = 238753365816. Its totient is φ = 202055285952.

The previous prime is 220296390161. The next prime is 220296390199. The reversal of 220296390197 is 791093692022.

It can be written as a sum of positive squares in 4 ways, for example, as 12908140996 + 207388249201 = 113614^2 + 455399^2 .

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

It is not a de Polignac number, because 220296390197 - 2²⁰ = 220295341621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220296390199) 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 7 ways as a sum of consecutive naturals, for example, 53965718 + ... + 53969799.

It is an arithmetic number, because the mean of its divisors is an integer number (29844170727).

Almost surely, 2^220296390197 is an apocalyptic number.

It is an amenable number.

220296390197 is a deficient number, since it is larger than the sum of its proper divisors (18456975619).

220296390197 is a wasteful number, since it uses less digits than its factorization.

220296390197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107935687.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 220296390197 in words is "two hundred twenty billion, two hundred ninety-six million, three hundred ninety thousand, one hundred ninety-seven".