6520052210 has 24 divisors (see below), whose sum is σ = 13652191980. Its totient is φ = 2235446304.

The previous prime is 6520052129. The next prime is 6520052239. The reversal of 6520052210 is 122500256.

It can be written as a sum of positive squares in 2 ways, for example, as 5452788649 + 1067263561 = 73843^2 + 32669^2 .

It is a super-2 number, since 2×6520052210² = 85022161642251768200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6652625 + ... + 6653604.

Almost surely, 2^6520052210 is an apocalyptic number.

6520052210 is an abundant number, since it is smaller than the sum of its proper divisors (7132139770).

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

6520052210 is a wasteful number, since it uses less digits than its factorization.

6520052210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306250 (or 13306243 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 6520052210 is about 80746.8402477769. The cubic root of 6520052210 is about 1868.1727133980.

Adding to 6520052210 its reverse (122500256), we get a palindrome (6642552466).

The spelling of 6520052210 in words is "six billion, five hundred twenty million, fifty-two thousand, two hundred ten".