2820204555996 has 48 divisors (see below), whose sum is σ = 6808224389120. Its totient is φ = 907671044160.

The previous prime is 2820204555991. The next prime is 2820204556007. The reversal of 2820204555996 is 6995554020282.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820204555991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8471311 + ... + 8797926.

Almost surely, 2^{2820204555996} is an apocalyptic number.

It is an amenable number.

2820204555996 is an abundant number, since it is smaller than the sum of its proper divisors (3988019833124).

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

2820204555996 is a wasteful number, since it uses less digits than its factorization.

2820204555996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17269714 (or 17269712 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 2820204555996 in words is "two trillion, eight hundred twenty billion, two hundred four million, five hundred fifty-five thousand, nine hundred ninety-six".