502340020 has 48 divisors (see below), whose sum is σ = 1298360448. Its totient is φ = 158981760.

The previous prime is 502339973. The next prime is 502340141. The reversal of 502340020 is 20043205.

It is a junction number, because it is equal to n+sod(n) for n = 502339976 and 502340003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136186 + ... + 139825.

It is an arithmetic number, because the mean of its divisors is an integer number (27049176).

Almost surely, 2^502340020 is an apocalyptic number.

It is an amenable number.

502340020 is an abundant number, since it is smaller than the sum of its proper divisors (796020428).

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

502340020 is a wasteful number, since it uses less digits than its factorization.

502340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276040 (or 276038 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 502340020 is about 22412.9431356080. The cubic root of 502340020 is about 794.9367828112.

Adding to 502340020 its reverse (20043205), we get a palindrome (522383225).

The spelling of 502340020 in words is "five hundred two million, three hundred forty thousand, twenty".