220776276 has 96 divisors (see below), whose sum is σ = 634332160. Its totient is φ = 58351104.

The previous prime is 220776271. The next prime is 220776293. The reversal of 220776276 is 672677022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220776271) 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 31 ways as a sum of consecutive naturals, for example, 67020 + ... + 70236.

Almost surely, 2^220776276 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 220776276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317166080).

220776276 is an abundant number, since it is smaller than the sum of its proper divisors (413555884).

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

220776276 is a wasteful number, since it uses less digits than its factorization.

220776276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 220776276 is about 14858.5421895959. The cubic root of 220776276 is about 604.3902752312.

The spelling of 220776276 in words is "two hundred twenty million, seven hundred seventy-six thousand, two hundred seventy-six".