20133400520000 has 560 divisors, whose sum is σ = 53660731969152. Its totient is φ = 7472931840000.

The previous prime is 20133400519951. The next prime is 20133400520003. The reversal of 20133400520000 is 2500433102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133400520003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15692439359 + ... + 15692440641.

Almost surely, 2^{20133400520000} is an apocalyptic number.

20133400520000 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 20133400520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26830365984576).

20133400520000 is an abundant number, since it is smaller than the sum of its proper divisors (33527331449152).

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

20133400520000 is a wasteful number, since it uses less digits than its factorization.

20133400520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20133400520000 its reverse (2500433102), we get a palindrome (20135900953102).

The spelling of 20133400520000 in words is "twenty trillion, one hundred thirty-three billion, four hundred million, five hundred twenty thousand".