9716532220 has 24 divisors (see below), whose sum is σ = 20407187808. Its totient is φ = 3886142400.

The previous prime is 9716532197. The next prime is 9716532239. The reversal of 9716532220 is 222356179.

It is a self number, because there is not a number n which added to its sum of digits gives 9716532220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174385 + ... + 223255.

It is an arithmetic number, because the mean of its divisors is an integer number (850299492).

Almost surely, 2^9716532220 is an apocalyptic number.

It is an amenable number.

9716532220 is an abundant number, since it is smaller than the sum of its proper divisors (10690655588).

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

9716532220 is a wasteful number, since it uses less digits than its factorization.

9716532220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58821 (or 58819 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 9716532220 is about 98572.4719178737. The cubic root of 9716532220 is about 2133.8821557268.

Adding to 9716532220 its reverse (222356179), we get a palindrome (9938888399).

The spelling of 9716532220 in words is "nine billion, seven hundred sixteen million, five hundred thirty-two thousand, two hundred twenty".