20112022012104 has 128 divisors (see below), whose sum is σ = 60995362867200. Its totient is φ = 6089567964480.

The previous prime is 20112022012091. The next prime is 20112022012109. The reversal of 20112022012104 is 40121022021102.

20112022012104 is a `hidden beast` number, since 201 + 120 + 220 + 121 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20112022012109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554764 + ... + 6366459.

It is an arithmetic number, because the mean of its divisors is an integer number (476526272400).

Almost surely, 2^{20112022012104} is an apocalyptic number.

20112022012104 is a gapful number since it is divisible by the number (24) 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 20112022012104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30497681433600).

20112022012104 is an abundant number, since it is smaller than the sum of its proper divisors (40883340855096).

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

20112022012104 is a wasteful number, since it uses less digits than its factorization.

20112022012104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922472 (or 6922462 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20112022012104 its reverse (40121022021102), we get a palindrome (60233044033206).

The spelling of 20112022012104 in words is "twenty trillion, one hundred twelve billion, twenty-two million, twelve thousand, one hundred four".