503136220 has 12 divisors (see below), whose sum is σ = 1056586104. Its totient is φ = 201254480.

The previous prime is 503136203. The next prime is 503136241. The reversal of 503136220 is 22631305.

It is a junction number, because it is equal to n+sod(n) for n = 503136191 and 503136200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578386 + ... + 12578425.

It is an arithmetic number, because the mean of its divisors is an integer number (88048842).

Almost surely, 2^503136220 is an apocalyptic number.

It is an amenable number.

503136220 is an abundant number, since it is smaller than the sum of its proper divisors (553449884).

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

503136220 is a wasteful number, since it uses less digits than its factorization.

503136220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156820 (or 25156818 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 503136220 is about 22430.6981612254. The cubic root of 503136220 is about 795.3565480047.

Adding to 503136220 its reverse (22631305), we get a palindrome (525767525).

The spelling of 503136220 in words is "five hundred three million, one hundred thirty-six thousand, two hundred twenty".