2002170371 has 4 divisors (see below), whose sum is σ = 2066756544. Its totient is φ = 1937584200.

The previous prime is 2002170337. The next prime is 2002170383. The reversal of 2002170371 is 1730712002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002170371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002170271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32293040 + ... + 32293101.

It is an arithmetic number, because the mean of its divisors is an integer number (516689136).

Almost surely, 2^2002170371 is an apocalyptic number.

2002170371 is a deficient number, since it is larger than the sum of its proper divisors (64586173).

2002170371 is an equidigital number, since it uses as much as digits as its factorization.

2002170371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64586172.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 2002170371 is about 44745.6184558891. The cubic root of 2002170371 is about 1260.3766344882.

Adding to 2002170371 its reverse (1730712002), we get a palindrome (3732882373).

The spelling of 2002170371 in words is "two billion, two million, one hundred seventy thousand, three hundred seventy-one".