20133132232 has 32 divisors (see below), whose sum is σ = 40144793400. Its totient is φ = 9433027584.

The previous prime is 20133132223. The next prime is 20133132247. The reversal of 20133132232 is 23223133102.

It can be written as a sum of positive squares in 4 ways, for example, as 17932959396 + 2200172836 = 133914^2 + 46906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292083 + ... + 354370.

Almost surely, 2^20133132232 is an apocalyptic number.

It is an amenable number.

20133132232 is a deficient number, since it is larger than the sum of its proper divisors (20011661168).

20133132232 is a wasteful number, since it uses less digits than its factorization.

20133132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646705 (or 646701 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20133132232 its reverse (23223133102), we get a palindrome (43356265334).

The spelling of 20133132232 in words is "twenty billion, one hundred thirty-three million, one hundred thirty-two thousand, two hundred thirty-two".