20110112204 has 96 divisors (see below), whose sum is σ = 44624025600. Its totient is φ = 7717586688.

The previous prime is 20110112153. The next prime is 20110112227. The reversal of 20110112204 is 40221101102.

It is a happy number.

It is a super-2 number, since 2×20110112204² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327837 + ... + 2336459.

It is an arithmetic number, because the mean of its divisors is an integer number (464833600).

Almost surely, 2^20110112204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110112204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22312012800).

20110112204 is an abundant number, since it is smaller than the sum of its proper divisors (24513913396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110112204 is a wasteful number, since it uses less digits than its factorization.

20110112204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839 (or 8837 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20110112204 its reverse (40221101102), we get a palindrome (60331213306).

The spelling of 20110112204 in words is "twenty billion, one hundred ten million, one hundred twelve thousand, two hundred four".