9650520220 has 96 divisors (see below), whose sum is σ = 23739319296. Its totient is φ = 3256243200.

The previous prime is 9650520167. The next prime is 9650520233. The reversal of 9650520220 is 220250569.

9650520220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247369 + ... + 283711.

It is an arithmetic number, because the mean of its divisors is an integer number (247284576).

Almost surely, 2^9650520220 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 9650520220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11869659648).

9650520220 is an abundant number, since it is smaller than the sum of its proper divisors (14088799076).

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

9650520220 is a wasteful number, since it uses less digits than its factorization.

9650520220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36451 (or 36449 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 9650520220 is about 98237.0613363409. The cubic root of 9650520220 is about 2129.0387942620.

Adding to 9650520220 its reverse (220250569), we get a palindrome (9870770789).

The spelling of 9650520220 in words is "nine billion, six hundred fifty million, five hundred twenty thousand, two hundred twenty".