20031322132 has 6 divisors (see below), whose sum is σ = 35054813738. Its totient is φ = 10015661064.

The previous prime is 20031322099. The next prime is 20031322133. The reversal of 20031322132 is 23122313002.

It can be written as a sum of positive squares in only one way, i.e., 19770047236 + 261274896 = 140606^2 + 16164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031322133) 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 as a sum of consecutive naturals, namely, 2503915263 + ... + 2503915270.

Almost surely, 2^20031322132 is an apocalyptic number.

It is an amenable number.

20031322132 is a deficient number, since it is larger than the sum of its proper divisors (15023491606).

20031322132 is a wasteful number, since it uses less digits than its factorization.

20031322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007830537 (or 5007830535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20031322132 its reverse (23122313002), we get a palindrome (43153635134).

The spelling of 20031322132 in words is "twenty billion, thirty-one million, three hundred twenty-two thousand, one hundred thirty-two".