2002220120002 has 4 divisors (see below), whose sum is σ = 3003330180006. Its totient is φ = 1001110060000.

The previous prime is 2002220119997. The next prime is 2002220120011. The reversal of 2002220120002 is 2000210222002.

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

It can be written as a sum of positive squares in only one way, i.e., 1280792421841 + 721427698161 = 1131721^2 + 849369^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555029999 + ... + 500555030002.

Almost surely, 2^{2002220120002} is an apocalyptic number.

2002220120002 is a deficient number, since it is larger than the sum of its proper divisors (1001110060004).

2002220120002 is a wasteful number, since it uses less digits than its factorization.

2002220120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001110060003.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2002220120002 its reverse (2000210222002), we get a palindrome (4002430342004).

The spelling of 2002220120002 in words is "two trillion, two billion, two hundred twenty million, one hundred twenty thousand, two".