133031320023020 has 96 divisors (see below), whose sum is σ = 296261564836608. Its totient is φ = 50004083331072.

The previous prime is 133031320022983. The next prime is 133031320023083. The reversal of 133031320023020 is 20320023130331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4201459709 + ... + 4201491371.

It is an arithmetic number, because the mean of its divisors is an integer number (3086057967048).

Almost surely, 2^{133031320023020} is an apocalyptic number.

133031320023020 is a gapful number since it is divisible by the number (10) 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 133031320023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148130782418304).

133031320023020 is an abundant number, since it is smaller than the sum of its proper divisors (163230244813588).

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

133031320023020 is a wasteful number, since it uses less digits than its factorization.

133031320023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50619 (or 50617 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 133031320023020 its reverse (20320023130331), we get a palindrome (153351343153351).

The spelling of 133031320023020 in words is "one hundred thirty-three trillion, thirty-one billion, three hundred twenty million, twenty-three thousand, twenty".