503342120 has 64 divisors (see below), whose sum is σ = 1251313920. Its totient is φ = 181249024.

The previous prime is 503342111. The next prime is 503342141. The reversal of 503342120 is 21243305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 503342092 and 503342101.

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, 452 + ... + 31731.

It is an arithmetic number, because the mean of its divisors is an integer number (19551780).

Almost surely, 2^503342120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625656960).

503342120 is an abundant number, since it is smaller than the sum of its proper divisors (747971800).

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

503342120 is a wasteful number, since it uses less digits than its factorization.

503342120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32234 (or 32230 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 503342120 is about 22435.2873839405. The cubic root of 503342120 is about 795.4650286193.

Adding to 503342120 its reverse (21243305), we get a palindrome (524585425).

The spelling of 503342120 in words is "five hundred three million, three hundred forty-two thousand, one hundred twenty".