2013063820 has 24 divisors (see below), whose sum is σ = 4228308000. Its totient is φ = 805059072.

The previous prime is 2013063809. The next prime is 2013063821. The reversal of 2013063820 is 283603102.

It is not an unprimeable number, because it can be changed into a prime (2013063821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146401 + ... + 159559.

It is an arithmetic number, because the mean of its divisors is an integer number (176179500).

Almost surely, 2^2013063820 is an apocalyptic number.

2013063820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013063820 is an abundant number, since it is smaller than the sum of its proper divisors (2215244180).

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

2013063820 is a wasteful number, since it uses less digits than its factorization.

2013063820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20817 (or 20815 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2013063820 is about 44867.1797642776. The cubic root of 2013063820 is about 1262.6583289326.

Adding to 2013063820 its reverse (283603102), we get a palindrome (2296666922).

The spelling of 2013063820 in words is "two billion, thirteen million, sixty-three thousand, eight hundred twenty".