20011133023112 has 64 divisors (see below), whose sum is σ = 47867162112000. Its totient is φ = 7615230315840.

The previous prime is 20011133023111. The next prime is 20011133023121. The reversal of 20011133023112 is 21132033111002.

It is a happy number.

It is a super-2 number, since 2×20011133023112² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011133023111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377713112 + ... + 377766087.

It is an arithmetic number, because the mean of its divisors is an integer number (747924408000).

Almost surely, 2^{20011133023112} is an apocalyptic number.

20011133023112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20011133023112 is an abundant number, since it is smaller than the sum of its proper divisors (27856029088888).

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

20011133023112 is a wasteful number, since it uses less digits than its factorization.

20011133023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755479266 (or 755479262 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20011133023112 its reverse (21132033111002), we get a palindrome (41143166134114).

The spelling of 20011133023112 in words is "twenty trillion, eleven billion, one hundred thirty-three million, twenty-three thousand, one hundred twelve".