20021033112000 has 224 divisors, whose sum is σ = 66515043788544. Its totient is φ = 5306186880000.

The previous prime is 20021033111969. The next prime is 20021033112011. The reversal of 20021033112000 is 21133012002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1353075 + ... + 6470925.

Almost surely, 2^{20021033112000} is an apocalyptic number.

20021033112000 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 20021033112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33257521894272).

20021033112000 is an abundant number, since it is smaller than the sum of its proper divisors (46494010676544).

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

20021033112000 is a wasteful number, since it uses less digits than its factorization.

20021033112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118044 (or 5118024 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20021033112000 its reverse (21133012002), we get a palindrome (20042166124002).

The spelling of 20021033112000 in words is "twenty trillion, twenty-one billion, thirty-three million, one hundred twelve thousand".