2013630320 has 40 divisors (see below), whose sum is σ = 5041823136. Its totient is φ = 743493888.

The previous prime is 2013630301. The next prime is 2013630373. The reversal of 2013630320 is 230363102.

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

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 = 2013630292 and 2013630301.

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, 967052 + ... + 969131.

Almost surely, 2^2013630320 is an apocalyptic number.

2013630320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013630320 is an abundant number, since it is smaller than the sum of its proper divisors (3028192816).

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

2013630320 is a wasteful number, since it uses less digits than its factorization.

2013630320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936209 (or 1936203 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2013630320 is about 44873.4923980739. The cubic root of 2013630320 is about 1262.7767601599.

Adding to 2013630320 its reverse (230363102), we get a palindrome (2243993422).

The spelling of 2013630320 in words is "two billion, thirteen million, six hundred thirty thousand, three hundred twenty".