20102220112210 has 16 divisors (see below), whose sum is σ = 36184056906816. Its totient is φ = 8040874554928.

The previous prime is 20102220112189. The next prime is 20102220112213. The reversal of 20102220112210 is 1221102220102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20102220112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6434949 + ... + 9033991.

It is an arithmetic number, because the mean of its divisors is an integer number (2261503556676).

Almost surely, 2^{20102220112210} is an apocalyptic number.

20102220112210 is a deficient number, since it is larger than the sum of its proper divisors (16081836794606).

20102220112210 is a wasteful number, since it uses less digits than its factorization.

20102220112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372497.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102220112210 its reverse (1221102220102), we get a palindrome (21323322332312).

The spelling of 20102220112210 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twelve thousand, two hundred ten".