110002012020 has 144 divisors (see below), whose sum is σ = 353198664000. Its totient is φ = 27634576896.

The previous prime is 110002011989. The next prime is 110002012111. The reversal of 110002012020 is 20210200011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110002011993 and 110002012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522336 + ... + 702024.

It is an arithmetic number, because the mean of its divisors is an integer number (2452768500).

Almost surely, 2^110002012020 is an apocalyptic number.

110002012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110002012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176599332000).

110002012020 is an abundant number, since it is smaller than the sum of its proper divisors (243196651980).

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

110002012020 is a wasteful number, since it uses less digits than its factorization.

110002012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179902 (or 179897 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 110002012020 its reverse (20210200011), we get a palindrome (130212212031).

The spelling of 110002012020 in words is "one hundred ten billion, two million, twelve thousand, twenty".