20098232218 has 8 divisors (see below), whose sum is σ = 31920721812. Its totient is φ = 9457991616.

The previous prime is 20098232191. The next prime is 20098232221. The reversal of 20098232218 is 81223289002.

It can be written as a sum of positive squares in 2 ways, for example, as 20082574369 + 15657849 = 141713^2 + 3957^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295562205 + ... + 295562272.

Almost surely, 2^20098232218 is an apocalyptic number.

20098232218 is a deficient number, since it is larger than the sum of its proper divisors (11822489594).

20098232218 is a wasteful number, since it uses less digits than its factorization.

20098232218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591124496.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 20098232218 in words is "twenty billion, ninety-eight million, two hundred thirty-two thousand, two hundred eighteen".