503233020 has 48 divisors (see below), whose sum is σ = 1565615520. Its totient is φ = 134195328.

The previous prime is 503233009. The next prime is 503233037. The reversal of 503233020 is 20332305.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 503232984 and 503233002.

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, 465417 + ... + 466496.

It is an arithmetic number, because the mean of its divisors is an integer number (32616990).

Almost surely, 2^503233020 is an apocalyptic number.

It is an amenable number.

503233020 is an abundant number, since it is smaller than the sum of its proper divisors (1062382500).

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

503233020 is a wasteful number, since it uses less digits than its factorization.

503233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931931 (or 931923 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 503233020 is about 22432.8558146305. The cubic root of 503233020 is about 795.4075518044.

Adding to 503233020 its reverse (20332305), we get a palindrome (523565325).

The spelling of 503233020 in words is "five hundred three million, two hundred thirty-three thousand, twenty".