2001232004 has 6 divisors (see below), whose sum is σ = 3502156014. Its totient is φ = 1000616000.

The previous prime is 2001231989. The next prime is 2001232069. The reversal of 2001232004 is 4002321002.

It can be written as a sum of positive squares in only one way, i.e., 1980072004 + 21160000 = 44498^2 + 4600^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001232004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250153997 + ... + 250154004.

It is an arithmetic number, because the mean of its divisors is an integer number (583692669).

Almost surely, 2^2001232004 is an apocalyptic number.

It is an amenable number.

2001232004 is a deficient number, since it is larger than the sum of its proper divisors (1500924010).

2001232004 is a wasteful number, since it uses less digits than its factorization.

2001232004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500308005 (or 500308003 counting only the distinct ones).

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

The square root of 2001232004 is about 44735.1316528743. The cubic root of 2001232004 is about 1260.1797014210.

Adding to 2001232004 its reverse (4002321002), we get a palindrome (6003553006).

The spelling of 2001232004 in words is "two billion, one million, two hundred thirty-two thousand, four".