2003002002 has 36 divisors (see below), whose sum is σ = 4580286750. Its totient is φ = 632524896.

The previous prime is 2003001991. The next prime is 2003002007. The reversal of 2003002002 is 2002003002.

It can be written as a sum of positive squares in only one way, i.e., 1961515521 + 41486481 = 44289^2 + 6441^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2003002007) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 147627 + ... + 160622.

Almost surely, 2^2003002002 is an apocalyptic number.

2003002002 is an abundant number, since it is smaller than the sum of its proper divisors (2577284748).

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

2003002002 is a wasteful number, since it uses less digits than its factorization.

2003002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308295 (or 308273 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 2003002002 is about 44754.9103674669. The cubic root of 2003002002 is about 1260.5511156754.

Adding to 2003002002 its reverse (2002003002), we get a palindrome (4005005004).

The spelling of 2003002002 in words is "two billion, three million, two thousand, two".