20102113222 has 32 divisors (see below), whose sum is σ = 31649705280. Its totient is φ = 9562613760.

The previous prime is 20102113217. The next prime is 20102113231. The reversal of 20102113222 is 22231120102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102113196 and 20102113205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7751158 + ... + 7753750.

It is an arithmetic number, because the mean of its divisors is an integer number (989053290).

Almost surely, 2^20102113222 is an apocalyptic number.

20102113222 is a deficient number, since it is larger than the sum of its proper divisors (11547592058).

20102113222 is a wasteful number, since it uses less digits than its factorization.

20102113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20102113222 its reverse (22231120102), we get a palindrome (42333233324).

The spelling of 20102113222 in words is "twenty billion, one hundred two million, one hundred thirteen thousand, two hundred twenty-two".