6680020013340 has 36 divisors (see below), whose sum is σ = 18704112093576. Its totient is φ = 1781333331552.

The previous prime is 6680020013333. The next prime is 6680020013351. The reversal of 6680020013340 is 433100200866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19853187 + ... + 20186853.

It is an arithmetic number, because the mean of its divisors is an integer number (519558669266).

Almost surely, 2^{6680020013340} is an apocalyptic number.

6680020013340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6680020013340 is an abundant number, since it is smaller than the sum of its proper divisors (12024092080236).

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

6680020013340 is an frugal number, since it uses more digits than its factorization.

6680020013340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667346 (or 333677 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 6680020013340 in words is "six trillion, six hundred eighty billion, twenty million, thirteen thousand, three hundred forty".