133003220320 has 24 divisors (see below), whose sum is σ = 314220108384. Its totient is φ = 53201288064.

The previous prime is 133003220299. The next prime is 133003220327. The reversal of 133003220320 is 23022300331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003220327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415634904 + ... + 415635223.

It is an arithmetic number, because the mean of its divisors is an integer number (13092504516).

Almost surely, 2^133003220320 is an apocalyptic number.

133003220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133003220320 is an abundant number, since it is smaller than the sum of its proper divisors (181216888064).

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

133003220320 is an equidigital number, since it uses as much as digits as its factorization.

133003220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831270142 (or 831270134 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 133003220320 its reverse (23022300331), we get a palindrome (156025520651).

The spelling of 133003220320 in words is "one hundred thirty-three billion, three million, two hundred twenty thousand, three hundred twenty".