2013220004 has 12 divisors (see below), whose sum is σ = 3535674828. Its totient is φ = 1003027200.

The previous prime is 2013220003. The next prime is 2013220039. The reversal of 2013220004 is 4000223102.

It can be written as a sum of positive squares in 2 ways, for example, as 1417371904 + 595848100 = 37648^2 + 24410^2 .

It is not an unprimeable number, because it can be changed into a prime (2013220003) 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, 894437 + ... + 896684.

It is an arithmetic number, because the mean of its divisors is an integer number (294639569).

Almost surely, 2^2013220004 is an apocalyptic number.

It is an amenable number.

2013220004 is a deficient number, since it is larger than the sum of its proper divisors (1522454824).

2013220004 is a wasteful number, since it uses less digits than its factorization.

2013220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791406 (or 1791404 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2013220004 is about 44868.9202455330. The cubic root of 2013220004 is about 1262.6909826297.

Adding to 2013220004 its reverse (4000223102), we get a palindrome (6013443106).

The spelling of 2013220004 in words is "two billion, thirteen million, two hundred twenty thousand, four".