2002115705 has 8 divisors (see below), whose sum is σ = 2402842752. Its totient is φ = 1601489968.

The previous prime is 2002115693. The next prime is 2002115719. The reversal of 2002115705 is 5075112002.

It is a happy number.

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 2002115705 - 2¹² = 2002111609 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, 28592 + ... + 69438.

It is an arithmetic number, because the mean of its divisors is an integer number (300355344).

Almost surely, 2^2002115705 is an apocalyptic number.

It is an amenable number.

2002115705 is a deficient number, since it is larger than the sum of its proper divisors (400727047).

2002115705 is an equidigital number, since it uses as much as digits as its factorization.

2002115705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50655.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 2002115705 is about 44745.0075986137. The cubic root of 2002115705 is about 1260.3651635402.

Adding to 2002115705 its reverse (5075112002), we get a palindrome (7077227707).

The spelling of 2002115705 in words is "two billion, two million, one hundred fifteen thousand, seven hundred five".