20110012002120 has 64 divisors (see below), whose sum is σ = 60342223213440. Its totient is φ = 5361586560000.

The previous prime is 20110012002071. The next prime is 20110012002167. The reversal of 20110012002120 is 2120021001102.

20110012002120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20110012002096 and 20110012002105.

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, 16330081 + ... + 17518320.

It is an arithmetic number, because the mean of its divisors is an integer number (942847237710).

Almost surely, 2^{20110012002120} is an apocalyptic number.

20110012002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110012002120 is an abundant number, since it is smaller than the sum of its proper divisors (40232211211320).

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

20110012002120 is a wasteful number, since it uses less digits than its factorization.

20110012002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33853366 (or 33853362 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110012002120 its reverse (2120021001102), we get a palindrome (22230033003222).

The spelling of 20110012002120 in words is "twenty trillion, one hundred ten billion, twelve million, two thousand, one hundred twenty".