20004111091712 has 192 divisors, whose sum is σ = 44540004600000. Its totient is φ = 8905274490880.

The previous prime is 20004111091709. The next prime is 20004111091721. The reversal of 20004111091712 is 21719011140002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357513914 + ... + 357569862.

It is an arithmetic number, because the mean of its divisors is an integer number (231979190625).

Almost surely, 2^{20004111091712} is an apocalyptic number.

20004111091712 is a gapful number since it is divisible by the number (22) 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 20004111091712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22270002300000).

20004111091712 is an abundant number, since it is smaller than the sum of its proper divisors (24535893508288).

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

20004111091712 is a wasteful number, since it uses less digits than its factorization.

20004111091712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56310 (or 56290 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 20004111091712 in words is "twenty trillion, four billion, one hundred eleven million, ninety-one thousand, seven hundred twelve".