28004683020 has 24 divisors (see below), whose sum is σ = 78413112624. Its totient is φ = 7467915456.

The previous prime is 28004683013. The next prime is 28004683037. The reversal of 28004683020 is 2038640082.

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, 233372299 + ... + 233372418.

It is an arithmetic number, because the mean of its divisors is an integer number (3267213026).

Almost surely, 2^28004683020 is an apocalyptic number.

28004683020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28004683020 is an abundant number, since it is smaller than the sum of its proper divisors (50408429604).

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

28004683020 is a wasteful number, since it uses less digits than its factorization.

28004683020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466744729 (or 466744727 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 28004683020 in words is "twenty-eight billion, four million, six hundred eighty-three thousand, twenty".