6520061320206 has 32 divisors (see below), whose sum is σ = 14912860451328. Its totient is φ = 1861641769440.

The previous prime is 6520061320193. The next prime is 6520061320237. The reversal of 6520061320206 is 6020231600256.

It is a super-2 number, since 2×6520061320206² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51306345 + ... + 51433268.

It is an arithmetic number, because the mean of its divisors is an integer number (466026889104).

Almost surely, 2^{6520061320206} is an apocalyptic number.

6520061320206 is an abundant number, since it is smaller than the sum of its proper divisors (8392799131122).

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

6520061320206 is a wasteful number, since it uses less digits than its factorization.

6520061320206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102741136.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 6520061320206 in words is "six trillion, five hundred twenty billion, sixty-one million, three hundred twenty thousand, two hundred six".