2003021002 has 16 divisors (see below), whose sum is σ = 3172852800. Its totient is φ = 945743040.

The previous prime is 2003020993. The next prime is 2003021003. The reversal of 2003021002 is 2001203002.

It is a self number, because there is not a number n which added to its sum of digits gives 2003021002.

It is not an unprimeable number, because it can be changed into a prime (2003021003) 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, 72927 + ... + 96562.

It is an arithmetic number, because the mean of its divisors is an integer number (198303300).

Almost surely, 2^2003021002 is an apocalyptic number.

2003021002 is a deficient number, since it is larger than the sum of its proper divisors (1169831798).

2003021002 is a wasteful number, since it uses less digits than its factorization.

2003021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169821.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2003021002 is about 44755.1226341745. The cubic root of 2003021002 is about 1260.5551014254. Note that the first 3 decimals are identical.

Adding to 2003021002 its reverse (2001203002), we get a palindrome (4004224004).

The spelling of 2003021002 in words is "two billion, three million, twenty-one thousand, two".