20332131332 has 12 divisors (see below), whose sum is σ = 35749862736. Its totient is φ = 10117884840.

The previous prime is 20332131317. The next prime is 20332131343. The reversal of 20332131332 is 23313123302.

It is a junction number, because it is equal to n+sod(n) for n = 20332131298 and 20332131307.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12044258 + ... + 12045945.

It is an arithmetic number, because the mean of its divisors is an integer number (2979155228).

Almost surely, 2^20332131332 is an apocalyptic number.

It is an amenable number.

20332131332 is a deficient number, since it is larger than the sum of its proper divisors (15417731404).

20332131332 is a wasteful number, since it uses less digits than its factorization.

20332131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090418 (or 24090416 counting only the distinct ones).

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

Adding to 20332131332 its reverse (23313123302), we get a palindrome (43645254634).

The spelling of 20332131332 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred thirty-two".