503212020 has 48 divisors (see below), whose sum is σ = 1417167360. Its totient is φ = 133411456.

The previous prime is 503211977. The next prime is 503212063. The reversal of 503212020 is 20212305.

It is an interprime number because it is at equal distance from previous prime (503211977) and next prime (503212063).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 13860 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (29524320).

Almost surely, 2^503212020 is an apocalyptic number.

It is an amenable number.

503212020 is an abundant number, since it is smaller than the sum of its proper divisors (913955340).

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

503212020 is a wasteful number, since it uses less digits than its factorization.

503212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48664 (or 48662 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 503212020 is about 22432.3877462922. The cubic root of 503212020 is about 795.3964874861.

Adding to 503212020 its reverse (20212305), we get a palindrome (523424325).

The spelling of 503212020 in words is "five hundred three million, two hundred twelve thousand, twenty".