2820000920 has 32 divisors (see below), whose sum is σ = 6921821520. Its totient is φ = 1025454720.

The previous prime is 2820000907. The next prime is 2820000949. The reversal of 2820000920 is 290000282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3204107 + ... + 3204986.

Almost surely, 2^2820000920 is an apocalyptic number.

2820000920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2820000920 is an abundant number, since it is smaller than the sum of its proper divisors (4101820600).

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

2820000920 is a wasteful number, since it uses less digits than its factorization.

2820000920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409115 (or 6409111 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2820000920 is about 53103.6808517074. The cubic root of 2820000920 is about 1412.8077980128.

The spelling of 2820000920 in words is "two billion, eight hundred twenty million, nine hundred twenty", and thus it is an aban number.