5220740660 has 24 divisors (see below), whose sum is σ = 11341610280. Its totient is φ = 2016285824.

The previous prime is 5220740641. The next prime is 5220740669. The reversal of 5220740660 is 660470225.

It can be written as a sum of positive squares in 4 ways, for example, as 252746404 + 4967994256 = 15898^2 + 70484^2 .

It is a super-2 number, since 2×5220740660² = 54512266077954471200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220740669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4500059 + ... + 4501218.

It is an arithmetic number, because the mean of its divisors is an integer number (472567095).

Almost surely, 2^5220740660 is an apocalyptic number.

It is an amenable number.

5220740660 is an abundant number, since it is smaller than the sum of its proper divisors (6120869620).

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

5220740660 is a wasteful number, since it uses less digits than its factorization.

5220740660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9001315 (or 9001313 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 5220740660 is about 72254.6929963722. The cubic root of 5220740660 is about 1734.7785359040.

The spelling of 5220740660 in words is "five billion, two hundred twenty million, seven hundred forty thousand, six hundred sixty".