133020505320 has 64 divisors (see below), whose sum is σ = 400336585920. Its totient is φ = 35358795264.

The previous prime is 133020505297. The next prime is 133020505357. The reversal of 133020505320 is 23505020331.

It is a happy number.

133020505320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733214 + ... + 1808333.

It is an arithmetic number, because the mean of its divisors is an integer number (6255259155).

Almost surely, 2^133020505320 is an apocalyptic number.

133020505320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133020505320 is an abundant number, since it is smaller than the sum of its proper divisors (267316080600).

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

133020505320 is a wasteful number, since it uses less digits than its factorization.

133020505320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541874 (or 3541870 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 133020505320 its reverse (23505020331), we get a palindrome (156525525651).

The spelling of 133020505320 in words is "one hundred thirty-three billion, twenty million, five hundred five thousand, three hundred twenty".