220966476 has 48 divisors (see below), whose sum is σ = 552867840. Its totient is φ = 68440320.

The previous prime is 220966453. The next prime is 220966513. The reversal of 220966476 is 674669022.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9261 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (11518080).

Almost surely, 2^220966476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220966476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276433920).

220966476 is an abundant number, since it is smaller than the sum of its proper divisors (331901364).

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

220966476 is a wasteful number, since it uses less digits than its factorization.

220966476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13814 (or 13812 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 220966476 is about 14864.9411704184. The cubic root of 220966476 is about 604.5637872841.

The spelling of 220966476 in words is "two hundred twenty million, nine hundred sixty-six thousand, four hundred seventy-six".