2013020004 has 24 divisors (see below), whose sum is σ = 4725177408. Its totient is φ = 666988000.

The previous prime is 2013019993. The next prime is 2013020027. The reversal of 2013020004 is 4000203102.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 500247 + ... + 504254.

It is an arithmetic number, because the mean of its divisors is an integer number (196882392).

Almost surely, 2^2013020004 is an apocalyptic number.

It is an amenable number.

2013020004 is an abundant number, since it is smaller than the sum of its proper divisors (2712157404).

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

2013020004 is a wasteful number, since it uses less digits than its factorization.

2013020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004675 (or 1004673 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2013020004 is about 44866.6914759713. The cubic root of 2013020004 is about 1262.6491679317.

Adding to 2013020004 its reverse (4000203102), we get a palindrome (6013223106).

The spelling of 2013020004 in words is "two billion, thirteen million, twenty thousand, four".