2002010051 has 4 divisors (see below), whose sum is σ = 2003816400. Its totient is φ = 2000203704.

The previous prime is 2002010047. The next prime is 2002010111. The reversal of 2002010051 is 1500102002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002010051 - 2² = 2002010047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002010651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901511 + ... + 903728.

It is an arithmetic number, because the mean of its divisors is an integer number (500954100).

Almost surely, 2^2002010051 is an apocalyptic number.

2002010051 is a deficient number, since it is larger than the sum of its proper divisors (1806349).

2002010051 is a wasteful number, since it uses less digits than its factorization.

2002010051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806348.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2002010051 is about 44743.8269597047. The cubic root of 2002010051 is about 1260.3429928330.

Adding to 2002010051 its reverse (1500102002), we get a palindrome (3502112053).

The spelling of 2002010051 in words is "two billion, two million, ten thousand, fifty-one".