20012210221202 has 16 divisors (see below), whose sum is σ = 32087446296192. Its totient is φ = 9337616645280.

The previous prime is 20012210221189. The next prime is 20012210221207. The reversal of 20012210221202 is 20212201221002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20012210221207) 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, 5305462118 + ... + 5305465889.

It is an arithmetic number, because the mean of its divisors is an integer number (2005465393512).

Almost surely, 2^{20012210221202} is an apocalyptic number.

20012210221202 is a deficient number, since it is larger than the sum of its proper divisors (12075236074990).

20012210221202 is a wasteful number, since it uses less digits than its factorization.

20012210221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10610928073.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012210221202 its reverse (20212201221002), we get a palindrome (40224411442204).

The spelling of 20012210221202 in words is "twenty trillion, twelve billion, two hundred ten million, two hundred twenty-one thousand, two hundred two".