201001200020002 has 4 divisors (see below), whose sum is σ = 301501800030006. Its totient is φ = 100500600010000.

The previous prime is 201001200019969. The next prime is 201001200020039. The reversal of 201001200020002 is 200020002100102.

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., 172150433013321 + 28850767006681 = 13120611^2 + 5371291^2 .

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, 50250300004999 + ... + 50250300005002.

Almost surely, 2^{201001200020002} is an apocalyptic number.

201001200020002 is a deficient number, since it is larger than the sum of its proper divisors (100500600010004).

201001200020002 is a wasteful number, since it uses less digits than its factorization.

201001200020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500600010003.

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

Adding to 201001200020002 its reverse (200020002100102), we get a palindrome (401021202120104).

The spelling of 201001200020002 in words is "two hundred one trillion, one billion, two hundred million, twenty thousand, two".