200120002 has 4 divisors (see below), whose sum is σ = 300180006. Its totient is φ = 100060000.

The previous prime is 200119901. The next prime is 200120017. The reversal of 200120002 is 200021002.

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., 104060401 + 96059601 = 10201^2 + 9801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50029999 + ... + 50030002.

Almost surely, 2^200120002 is an apocalyptic number.

200120002 is a deficient number, since it is larger than the sum of its proper divisors (100060004).

200120002 is a wasteful number, since it uses less digits than its factorization.

200120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100060003.

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

The square root of 200120002 is about 14146.3776989023. The cubic root of 200120002 is about 584.9204869163.

Adding to 200120002 its reverse (200021002), we get a palindrome (400141004).

The spelling of 200120002 in words is "two hundred million, one hundred twenty thousand, two".