133233130220320 has 144 divisors (see below), whose sum is σ = 350050183436520. Its totient is φ = 47864209416192.

The previous prime is 133233130220233. The next prime is 133233130220327. The reversal of 133233130220320 is 23022031332331.

It can be written as a sum of positive squares in 12 ways, for example, as 46481635216 + 133186648585104 = 215596^2 + 11540652^2 .

It is not an unprimeable number, because it can be changed into a prime (133233130220327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65584125 + ... + 67585084.

Almost surely, 2^{133233130220320} is an apocalyptic number.

133233130220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133233130220320 is an abundant number, since it is smaller than the sum of its proper divisors (216817053216200).

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

133233130220320 is a wasteful number, since it uses less digits than its factorization.

133233130220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133169287 (or 133169266 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 133233130220320 its reverse (23022031332331), we get a palindrome (156255161552651).

The spelling of 133233130220320 in words is "one hundred thirty-three trillion, two hundred thirty-three billion, one hundred thirty million, two hundred twenty thousand, three hundred twenty".