20132331132 has 12 divisors (see below), whose sum is σ = 46975439336. Its totient is φ = 6710777040.

The previous prime is 20132331071. The next prime is 20132331151. The reversal of 20132331132 is 23113323102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20132331099 and 20132331108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838847119 + ... + 838847142.

Almost surely, 2^20132331132 is an apocalyptic number.

It is an amenable number.

20132331132 is an abundant number, since it is smaller than the sum of its proper divisors (26843108204).

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

20132331132 is a wasteful number, since it uses less digits than its factorization.

20132331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677694268 (or 1677694266 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20132331132 its reverse (23113323102), we get a palindrome (43245654234).

The spelling of 20132331132 in words is "twenty billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred thirty-two".