6520706477020 has 24 divisors (see below), whose sum is σ = 13695432592464. Its totient is φ = 2607911354496.

The previous prime is 6520706477011. The next prime is 6520706477059. The reversal of 6520706477020 is 207746070256.

It is a super-2 number, since 2×6520706477020² (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 7 ways as a sum of consecutive naturals, for example, 23058217 + ... + 23339296.

It is an arithmetic number, because the mean of its divisors is an integer number (570643024686).

Almost surely, 2^{6520706477020} is an apocalyptic number.

It is an amenable number.

6520706477020 is an abundant number, since it is smaller than the sum of its proper divisors (7174726115444).

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

6520706477020 is a wasteful number, since it uses less digits than its factorization.

6520706477020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46404549 (or 46404547 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 6520706477020 in words is "six trillion, five hundred twenty billion, seven hundred six million, four hundred seventy-seven thousand, twenty".