2000120002 has 4 divisors (see below), whose sum is σ = 3000180006. Its totient is φ = 1000060000.

The previous prime is 2000119991. The next prime is 2000120009. The reversal of 2000120002 is 2000210002.

It is a happy number.

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., 1600080001 + 400040001 = 40001^2 + 20001^2 .

It is not an unprimeable number, because it can be changed into a prime (2000120009) 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 as a sum of consecutive naturals, namely, 500029999 + ... + 500030002.

Almost surely, 2^2000120002 is an apocalyptic number.

2000120002 is a deficient number, since it is larger than the sum of its proper divisors (1000060004).

2000120002 is a wasteful number, since it uses less digits than its factorization.

2000120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000060003.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2000120002 is about 44722.7011930183. The cubic root of 2000120002 is about 1259.9462482319.

Adding to 2000120002 its reverse (2000210002), we get a palindrome (4000330004).

Subtracting 2000120002 from its reverse (2000210002), we obtain a square (90000 = 300²).

The spelling of 2000120002 in words is "two billion, one hundred twenty thousand, two".