220878328318 has 4 divisors (see below), whose sum is σ = 331317492480. Its totient is φ = 110439164158.

The previous prime is 220878328303. The next prime is 220878328351. The reversal of 220878328318 is 813823878022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55219582078 + ... + 55219582081.

It is an arithmetic number, because the mean of its divisors is an integer number (82829373120).

Almost surely, 2^220878328318 is an apocalyptic number.

220878328318 is a deficient number, since it is larger than the sum of its proper divisors (110439164162).

220878328318 is a wasteful number, since it uses less digits than its factorization.

220878328318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110439164161.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 220878328318 in words is "two hundred twenty billion, eight hundred seventy-eight million, three hundred twenty-eight thousand, three hundred eighteen".