508789020 has 24 divisors (see below), whose sum is σ = 1424609424. Its totient is φ = 135677056.

The previous prime is 508789013. The next prime is 508789069. The reversal of 508789020 is 20987805.

It is a self number, because there is not a number n which added to its sum of digits gives 508789020.

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, 4239849 + ... + 4239968.

It is an arithmetic number, because the mean of its divisors is an integer number (59358726).

Almost surely, 2^508789020 is an apocalyptic number.

It is an amenable number.

508789020 is an abundant number, since it is smaller than the sum of its proper divisors (915820404).

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

508789020 is a wasteful number, since it uses less digits than its factorization.

508789020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479829 (or 8479827 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 508789020 is about 22556.3520986883. The cubic root of 508789020 is about 798.3241062601.

The spelling of 508789020 in words is "five hundred eight million, seven hundred eighty-nine thousand, twenty".