2013503320 has 32 divisors (see below), whose sum is σ = 4676526720. Its totient is φ = 779420160.

The previous prime is 2013503291. The next prime is 2013503347. The reversal of 2013503320 is 233053102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810657 + ... + 813136.

It is an arithmetic number, because the mean of its divisors is an integer number (146141460).

Almost surely, 2^2013503320 is an apocalyptic number.

2013503320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013503320 is an abundant number, since it is smaller than the sum of its proper divisors (2663023400).

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

2013503320 is a wasteful number, since it uses less digits than its factorization.

2013503320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623835 (or 1623831 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 2013503320 is about 44872.0772864373. The cubic root of 2013503320 is about 1262.7502117548.

Adding to 2013503320 its reverse (233053102), we get a palindrome (2246556422).

The spelling of 2013503320 in words is "two billion, thirteen million, five hundred three thousand, three hundred twenty".