20033112000000 has 560 divisors, whose sum is σ = 72776567198016. Its totient is φ = 4856448000000.

The previous prime is 20033111999981. The next prime is 20033112000001. The reversal of 20033112000000 is 21133002.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20033112000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033112000001) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 263962059 + ... + 264037941.

Almost surely, 2^{20033112000000} is an apocalyptic number.

20033112000000 is a gapful number since it is divisible by the number (20) 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 20033112000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36388283599008).

20033112000000 is an abundant number, since it is smaller than the sum of its proper divisors (52743455198016).

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

20033112000000 is an frugal number, since it uses more digits than its factorization.

20033112000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75945 (or 75904 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20033112000000 its reverse (21133002), we get a palindrome (20033133133002).

The spelling of 20033112000000 in words is "twenty trillion, thirty-three billion, one hundred twelve million", and thus it is an aban number.