20043131532 has 24 divisors (see below), whose sum is σ = 46916732016. Its totient is φ = 6659697408.

The previous prime is 20043131531. The next prime is 20043131551. The reversal of 20043131532 is 23513134002.

It is not an unprimeable number, because it can be changed into a prime (20043131531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664393 + ... + 2671904.

It is an arithmetic number, because the mean of its divisors is an integer number (1954863834).

Almost surely, 2^20043131532 is an apocalyptic number.

It is an amenable number.

20043131532 is an abundant number, since it is smaller than the sum of its proper divisors (26873600484).

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

20043131532 is a wasteful number, since it uses less digits than its factorization.

20043131532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336617 (or 5336615 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20043131532 its reverse (23513134002), we get a palindrome (43556265534).

The spelling of 20043131532 in words is "twenty billion, forty-three million, one hundred thirty-one thousand, five hundred thirty-two".