201020012002 has 16 divisors (see below), whose sum is σ = 310024237824. Its totient is φ = 97696692000.

The previous prime is 201020011999. The next prime is 201020012003. The reversal of 201020012002 is 200210020102.

It is a self number, because there is not a number n which added to its sum of digits gives 201020012002.

It is not an unprimeable number, because it can be changed into a prime (201020012003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500774 + ... + 4545217.

It is an arithmetic number, because the mean of its divisors is an integer number (19376514864).

Almost surely, 2^201020012002 is an apocalyptic number.

201020012002 is a deficient number, since it is larger than the sum of its proper divisors (109004225822).

201020012002 is a wasteful number, since it uses less digits than its factorization.

201020012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046305.

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

Adding to 201020012002 its reverse (200210020102), we get a palindrome (401230032104).

It can be divided in two parts, 2010200 and 12002, that added together give a palindrome (2022202).

The spelling of 201020012002 in words is "two hundred one billion, twenty million, twelve thousand, two".