20102220210112 has 28 divisors (see below), whose sum is σ = 40001458437360. Its totient is φ = 10023112572416.

The previous prime is 20102220210067. The next prime is 20102220210199. The reversal of 20102220210112 is 21101202220102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437438293 + ... + 437484244.

It is an arithmetic number, because the mean of its divisors is an integer number (1428623515620).

Almost surely, 2^{20102220210112} is an apocalyptic number.

It is an amenable number.

20102220210112 is a deficient number, since it is larger than the sum of its proper divisors (19899238227248).

20102220210112 is an equidigital number, since it uses as much as digits as its factorization.

20102220210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874922908 (or 874922898 counting only the distinct ones).

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

Adding to 20102220210112 its reverse (21101202220102), we get a palindrome (41203422430214).

The spelling of 20102220210112 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred ten thousand, one hundred twelve".