6820846404420 has 24 divisors (see below), whose sum is σ = 19098369932544. Its totient is φ = 1818892374496.

The previous prime is 6820846404413. The next prime is 6820846404461. The reversal of 6820846404420 is 244046480286.

It is a self number, because there is not a number n which added to its sum of digits gives 6820846404420.

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, 56840386644 + ... + 56840386763.

It is an arithmetic number, because the mean of its divisors is an integer number (795765413856).

Almost surely, 2^{6820846404420} is an apocalyptic number.

6820846404420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6820846404420 is an abundant number, since it is smaller than the sum of its proper divisors (12277523528124).

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

6820846404420 is a wasteful number, since it uses less digits than its factorization.

6820846404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113680773419 (or 113680773417 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 48.

The spelling of 6820846404420 in words is "six trillion, eight hundred twenty billion, eight hundred forty-six million, four hundred four thousand, four hundred twenty".