201020001002 has 8 divisors (see below), whose sum is σ = 301690480800. Its totient is φ = 100456507404.

The previous prime is 201020000983. The next prime is 201020001019. The reversal of 201020001002 is 200100020102.

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

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 in 3 ways as a sum of consecutive naturals, for example, 26741852 + ... + 26749367.

It is an arithmetic number, because the mean of its divisors is an integer number (37711310100).

Almost surely, 2^201020001002 is an apocalyptic number.

201020001002 is a deficient number, since it is larger than the sum of its proper divisors (100670479798).

201020001002 is a wasteful number, since it uses less digits than its factorization.

201020001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53493100.

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

Adding to 201020001002 its reverse (200100020102), we get a palindrome (401120021104).

The spelling of 201020001002 in words is "two hundred one billion, twenty million, one thousand, two".