220810716 has 36 divisors (see below), whose sum is σ = 637898352. Its totient is φ = 63088704.

The previous prime is 220810693. The next prime is 220810717. The reversal of 220810716 is 617018022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 220810716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220810717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437865 + ... + 438368.

Almost surely, 2^220810716 is an apocalyptic number.

It is an amenable number.

220810716 is an abundant number, since it is smaller than the sum of its proper divisors (417087636).

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

220810716 is a wasteful number, since it uses less digits than its factorization.

220810716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876250 (or 876245 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 220810716 is about 14859.7010737094. The cubic root of 220810716 is about 604.4217008886.

Adding to 220810716 its reverse (617018022), we get a palindrome (837828738).

The spelling of 220810716 in words is "two hundred twenty million, eight hundred ten thousand, seven hundred sixteen".