6813555342020 has 48 divisors (see below), whose sum is σ = 17314446522240. Its totient is φ = 2198659874304.

The previous prime is 6813555341981. The next prime is 6813555342049. The reversal of 6813555342020 is 202435553186.

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, 1431416810 + ... + 1431421569.

It is an arithmetic number, because the mean of its divisors is an integer number (360717635880).

Almost surely, 2^{6813555342020} is an apocalyptic number.

It is an amenable number.

6813555342020 is an abundant number, since it is smaller than the sum of its proper divisors (10500891180220).

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

6813555342020 is a wasteful number, since it uses less digits than its factorization.

6813555342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862838412 (or 2862838410 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 6813555342020 in words is "six trillion, eight hundred thirteen billion, five hundred fifty-five million, three hundred forty-two thousand, twenty".