20133131352 has 64 divisors (see below), whose sum is σ = 50815728000. Its totient is φ = 6646746624.

The previous prime is 20133131281. The next prime is 20133131353. The reversal of 20133131352 is 25313133102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133131353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6667299 + ... + 6670317.

It is an arithmetic number, because the mean of its divisors is an integer number (793995750).

Almost surely, 2^20133131352 is an apocalyptic number.

It is an amenable number.

20133131352 is an abundant number, since it is smaller than the sum of its proper divisors (30682596648).

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

20133131352 is a wasteful number, since it uses less digits than its factorization.

20133131352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 20133131352 its reverse (25313133102), we get a palindrome (45446264454).

The spelling of 20133131352 in words is "twenty billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred fifty-two".