220168476 has 48 divisors (see below), whose sum is σ = 622702080. Its totient is φ = 66717360.

The previous prime is 220168441. The next prime is 220168477. The reversal of 220168476 is 674861022.

220168476 is a `hidden beast` number, since 2 + 20 + 168 + 476 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 220168476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220168477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91476 + ... + 93851.

It is an arithmetic number, because the mean of its divisors is an integer number (12972960).

Almost surely, 2^220168476 is an apocalyptic number.

It is an amenable number.

220168476 is an abundant number, since it is smaller than the sum of its proper divisors (402533604).

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

220168476 is a wasteful number, since it uses less digits than its factorization.

220168476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185351 (or 185343 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 220168476 is about 14838.0752121021. The cubic root of 220168476 is about 603.8351340154.

The spelling of 220168476 in words is "two hundred twenty million, one hundred sixty-eight thousand, four hundred seventy-six".