20858328222 has 8 divisors (see below), whose sum is σ = 41716656456. Its totient is φ = 6952776072.

The previous prime is 20858328217. The next prime is 20858328289. The reversal of 20858328222 is 22282385802.

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

20858328222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1738194013 + ... + 1738194024.

It is an arithmetic number, because the mean of its divisors is an integer number (5214582057).

Almost surely, 2^20858328222 is an apocalyptic number.

20858328222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20858328222 is a wasteful number, since it uses less digits than its factorization.

20858328222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476388042.

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 20858328222 in words is "twenty billion, eight hundred fifty-eight million, three hundred twenty-eight thousand, two hundred twenty-two".