2002001020210 has 8 divisors (see below), whose sum is σ = 3603601836396. Its totient is φ = 800800408080.

The previous prime is 2002001020207. The next prime is 2002001020211. The reversal of 2002001020210 is 120201002002.

It can be written as a sum of positive squares in 2 ways, for example, as 1999772141689 + 2228878521 = 1414133^2 + 47211^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 200200102021 = 2002001020210 / (2 + 0 + 0 + 2 + 0 + 0 + 1 + 0 + 2 + 0 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (2002001020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100100051001 + ... + 100100051020.

Almost surely, 2^{2002001020210} is an apocalyptic number.

2002001020210 is a deficient number, since it is larger than the sum of its proper divisors (1601600816186).

2002001020210 is a wasteful number, since it uses less digits than its factorization.

2002001020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200200102028.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2002001020210 its reverse (120201002002), we get a palindrome (2122202022212).

The spelling of 2002001020210 in words is "two trillion, two billion, one million, twenty thousand, two hundred ten".