2013444220 has 12 divisors (see below), whose sum is σ = 4228232904. Its totient is φ = 805377680.

The previous prime is 2013444217. The next prime is 2013444221. The reversal of 2013444220 is 224443102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2013444191 and 2013444200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013444221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50336086 + ... + 50336125.

It is an arithmetic number, because the mean of its divisors is an integer number (352352742).

Almost surely, 2^2013444220 is an apocalyptic number.

2013444220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013444220 is an abundant number, since it is smaller than the sum of its proper divisors (2214788684).

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

2013444220 is a wasteful number, since it uses less digits than its factorization.

2013444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100672220 (or 100672218 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2013444220 is about 44871.4187428925. The cubic root of 2013444220 is about 1262.7378569589.

Adding to 2013444220 its reverse (224443102), we get a palindrome (2237887322).

The spelling of 2013444220 in words is "two billion, thirteen million, four hundred forty-four thousand, two hundred twenty".