28020230084 has 24 divisors (see below), whose sum is σ = 61135048128. Its totient is φ = 10916972640.

The previous prime is 28020230083. The next prime is 28020230087. The reversal of 28020230084 is 48003202082.

It is not an unprimeable number, because it can be changed into a prime (28020230083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45487079 + ... + 45487694.

It is an arithmetic number, because the mean of its divisors is an integer number (2547293672).

Almost surely, 2^28020230084 is an apocalyptic number.

It is an amenable number.

28020230084 is an abundant number, since it is smaller than the sum of its proper divisors (33114818044).

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

28020230084 is a wasteful number, since it uses less digits than its factorization.

28020230084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90974795 (or 90974793 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 28020230084 in words is "twenty-eight billion, twenty million, two hundred thirty thousand, eighty-four".