2002045505 has 8 divisors (see below), whose sum is σ = 2425780032. Its totient is φ = 1586086128.

The previous prime is 2002045481. The next prime is 2002045657. The reversal of 2002045505 is 5055402002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002045505 - 2⁸ = 2002045249 is a prime.

It is a Duffinian number.

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, 1943219 + ... + 1944248.

It is an arithmetic number, because the mean of its divisors is an integer number (303222504).

Almost surely, 2^2002045505 is an apocalyptic number.

It is an amenable number.

2002045505 is a deficient number, since it is larger than the sum of its proper divisors (423734527).

2002045505 is a wasteful number, since it uses less digits than its factorization.

2002045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887575.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2002045505 is about 44744.2231466812. The cubic root of 2002045505 is about 1260.3504326785.

Adding to 2002045505 its reverse (5055402002), we get a palindrome (7057447507).

The spelling of 2002045505 in words is "two billion, two million, forty-five thousand, five hundred five".