503055220 has 24 divisors (see below), whose sum is σ = 1056851208. Its totient is φ = 201139200.

The previous prime is 503055209. The next prime is 503055221. The reversal of 503055220 is 22550305.

It can be written as a sum of positive squares in 4 ways, for example, as 193154404 + 309900816 = 13898^2 + 17604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 503055191 and 503055200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503055221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74380 + ... + 80860.

It is an arithmetic number, because the mean of its divisors is an integer number (44035467).

Almost surely, 2^503055220 is an apocalyptic number.

It is an amenable number.

503055220 is an abundant number, since it is smaller than the sum of its proper divisors (553795988).

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

503055220 is a wasteful number, since it uses less digits than its factorization.

503055220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371 (or 10369 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 503055220 is about 22428.8925272738. The cubic root of 503055220 is about 795.3138641778.

The spelling of 503055220 in words is "five hundred three million, fifty-five thousand, two hundred twenty".