28270334020 has 48 divisors (see below), whose sum is σ = 59980032000. Its totient is φ = 11192100480.

The previous prime is 28270334017. The next prime is 28270334021. The reversal of 28270334020 is 2043307282.

It is not an unprimeable number, because it can be changed into a prime (28270334021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741586 + ... + 778774.

It is an arithmetic number, because the mean of its divisors is an integer number (1249584000).

Almost surely, 2^28270334020 is an apocalyptic number.

28270334020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28270334020 is an abundant number, since it is smaller than the sum of its proper divisors (31709697980).

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

28270334020 is a wasteful number, since it uses less digits than its factorization.

28270334020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37588 (or 37586 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 28270334020 in words is "twenty-eight billion, two hundred seventy million, three hundred thirty-four thousand, twenty".