20133252520000 has 280 divisors, whose sum is σ = 52113996401720. Its totient is φ = 7707156480000.

The previous prime is 20133252519931. The next prime is 20133252520057. The reversal of 20133252520000 is 2525233102.

It can be written as a sum of positive squares in 20 ways, for example, as 17147019682816 + 2986232837184 = 4140896^2 + 1728072^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 90168496 + ... + 90391504.

Almost surely, 2^{20133252520000} is an apocalyptic number.

20133252520000 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 20133252520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26056998200860).

20133252520000 is an abundant number, since it is smaller than the sum of its proper divisors (31980743881720).

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

20133252520000 is an equidigital number, since it uses as much as digits as its factorization.

20133252520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223139 (or 223114 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20133252520000 its reverse (2525233102), we get a palindrome (20135777753102).

The spelling of 20133252520000 in words is "twenty trillion, one hundred thirty-three billion, two hundred fifty-two million, five hundred twenty thousand".