20033105520000 has 320 divisors, whose sum is σ = 66607491717360. Its totient is φ = 5333114880000.

The previous prime is 20033105519993. The next prime is 20033105520017. The reversal of 20033105520000 is 2550133002.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142249620 + ... + 142390380.

Almost surely, 2^{20033105520000} is an apocalyptic number.

20033105520000 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 20033105520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33303745858680).

20033105520000 is an abundant number, since it is smaller than the sum of its proper divisors (46574386197360).

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

20033105520000 is an equidigital number, since it uses as much as digits as its factorization.

20033105520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141391 (or 141364 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 20033105520000 its reverse (2550133002), we get a palindrome (20035655653002).

The spelling of 20033105520000 in words is "twenty trillion, thirty-three billion, one hundred five million, five hundred twenty thousand".