220416330978 has 16 divisors (see below), whose sum is σ = 489814068960. Its totient is φ = 73472110308.

The previous prime is 220416330907. The next prime is 220416331001. The reversal of 220416330978 is 879033614022.

220416330978 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 1 + 633 + 0 + 9 + 7 + 8 = 666.

220416330978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040891900 + ... + 2040892007.

It is an arithmetic number, because the mean of its divisors is an integer number (30613379310).

Almost surely, 2^220416330978 is an apocalyptic number.

220416330978 is an abundant number, since it is smaller than the sum of its proper divisors (269397737982).

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

220416330978 is a wasteful number, since it uses less digits than its factorization.

220416330978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081783918 (or 4081783912 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 220416330978 in words is "two hundred twenty billion, four hundred sixteen million, three hundred thirty thousand, nine hundred seventy-eight".