2002045005 has 80 divisors (see below), whose sum is σ = 3767347584. Its totient is φ = 1015217280.

The previous prime is 2002044997. The next prime is 2002045021. The reversal of 2002045005 is 5005402002.

It is not a de Polignac number, because 2002045005 - 2³ = 2002044997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1834510 + ... + 1835600.

Almost surely, 2^2002045005 is an apocalyptic number.

It is an amenable number.

2002045005 is a deficient number, since it is larger than the sum of its proper divisors (1765302579).

2002045005 is a wasteful number, since it uses less digits than its factorization.

2002045005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2002045005 is about 44744.2175593674. The cubic root of 2002045005 is about 1260.3503277566.

Adding to 2002045005 its reverse (5005402002), we get a palindrome (7007447007).

It can be divided in two parts, 200204 and 5005, that added together give a square (205209 = 453²).

The spelling of 2002045005 in words is "two billion, two million, forty-five thousand, five".