6820443038900 has 72 divisors (see below), whose sum is σ = 15672395574360. Its totient is φ = 2567462768640.

The previous prime is 6820443038873. The next prime is 6820443039013. The reversal of 6820443038900 is 98303440286.

It can be written as a sum of positive squares in 12 ways, for example, as 1362668667556 + 5457774371344 = 1167334^2 + 2336188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19123406 + ... + 19476794.

It is an arithmetic number, because the mean of its divisors is an integer number (217672160755).

Almost surely, 2^{6820443038900} is an apocalyptic number.

It is an amenable number.

6820443038900 is an abundant number, since it is smaller than the sum of its proper divisors (8851952535460).

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

6820443038900 is a wasteful number, since it uses less digits than its factorization.

6820443038900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364773 (or 364766 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 6820443038900 in words is "six trillion, eight hundred twenty billion, four hundred forty-three million, thirty-eight thousand, nine hundred".