505379020 has 24 divisors (see below), whose sum is σ = 1062878544. Its totient is φ = 201850176.

The previous prime is 505379003. The next prime is 505379029. The reversal of 505379020 is 20973505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505379029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4839 + ... + 32158.

It is an arithmetic number, because the mean of its divisors is an integer number (44286606).

Almost surely, 2^505379020 is an apocalyptic number.

It is an amenable number.

505379020 is an abundant number, since it is smaller than the sum of its proper divisors (557499524).

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

505379020 is a wasteful number, since it uses less digits than its factorization.

505379020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37689 (or 37687 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 505379020 is about 22480.6365568237. The cubic root of 505379020 is about 796.5366006352.

The spelling of 505379020 in words is "five hundred five million, three hundred seventy-nine thousand, twenty".