6520470120 has 192 divisors, whose sum is σ = 21776040000. Its totient is φ = 1691182080.

The previous prime is 6520470119. The next prime is 6520470193. The reversal of 6520470120 is 210740256.

6520470120 is a `hidden beast` number, since 652 + 0 + 4 + 7 + 0 + 1 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4349131 + ... + 4350629.

It is an arithmetic number, because the mean of its divisors is an integer number (113416875).

Almost surely, 2^6520470120 is an apocalyptic number.

6520470120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6520470120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10888020000).

6520470120 is an abundant number, since it is smaller than the sum of its proper divisors (15255569880).

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

6520470120 is a wasteful number, since it uses less digits than its factorization.

6520470120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 6520470120 is about 80749.4279855901. The cubic root of 6520470120 is about 1868.2126267480.

The spelling of 6520470120 in words is "six billion, five hundred twenty million, four hundred seventy thousand, one hundred twenty".