2013203120 has 40 divisors (see below), whose sum is σ = 4701179760. Its totient is φ = 801757440.

The previous prime is 2013203119. The next prime is 2013203149. The reversal of 2013203120 is 213023102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2013203095 and 2013203104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36626 + ... + 73265.

It is an arithmetic number, because the mean of its divisors is an integer number (117529494).

Almost surely, 2^2013203120 is an apocalyptic number.

2013203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013203120 is an abundant number, since it is smaller than the sum of its proper divisors (2687976640).

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

2013203120 is a wasteful number, since it uses less digits than its factorization.

2013203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110133 (or 110127 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2013203120 is about 44868.7320970852. The cubic root of 2013203120 is about 1262.6874527399.

Adding to 2013203120 its reverse (213023102), we get a palindrome (2226226222).

The spelling of 2013203120 in words is "two billion, thirteen million, two hundred three thousand, one hundred twenty".