2002170050 has 12 divisors (see below), whose sum is σ = 3724036386. Its totient is φ = 800868000.

The previous prime is 2002170031. The next prime is 2002170059. The reversal of 2002170050 is 500712002.

It can be written as a sum of positive squares in 3 ways, for example, as 1190319001 + 811851049 = 34501^2 + 28493^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002170059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20021651 + ... + 20021750.

Almost surely, 2^2002170050 is an apocalyptic number.

2002170050 is a deficient number, since it is larger than the sum of its proper divisors (1721866336).

2002170050 is a wasteful number, since it uses less digits than its factorization.

2002170050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043413 (or 40043408 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2002170050 is about 44745.6148689455. The cubic root of 2002170050 is about 1260.3765671311.

Adding to 2002170050 its reverse (500712002), we get a palindrome (2502882052).

The spelling of 2002170050 in words is "two billion, two million, one hundred seventy thousand, fifty".