6520208229 has 24 divisors (see below), whose sum is σ = 9669808512. Its totient is φ = 4231106880.

The previous prime is 6520208213. The next prime is 6520208231. The reversal of 6520208229 is 9228020256.

It is not a de Polignac number, because 6520208229 - 2⁴ = 6520208213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6520208193 and 6520208202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520208209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143524 + ... + 183410.

It is an arithmetic number, because the mean of its divisors is an integer number (402908688).

Almost surely, 2^6520208229 is an apocalyptic number.

It is an amenable number.

6520208229 is a deficient number, since it is larger than the sum of its proper divisors (3149600283).

6520208229 is a wasteful number, since it uses less digits than its factorization.

6520208229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40377 (or 40374 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6520208229 is about 80747.8063417205. The cubic root of 6520208229 is about 1868.1876145115.

The spelling of 6520208229 in words is "six billion, five hundred twenty million, two hundred eight thousand, two hundred twenty-nine".