20332231132 has 24 divisors (see below), whose sum is σ = 39657295440. Its totient is φ = 9064523520.

The previous prime is 20332231111. The next prime is 20332231181. The reversal of 20332231132 is 23113223302.

It is a congruent number.

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, 7867219 + ... + 7869802.

It is an arithmetic number, because the mean of its divisors is an integer number (1652387310).

Almost surely, 2^20332231132 is an apocalyptic number.

It is an amenable number.

20332231132 is a deficient number, since it is larger than the sum of its proper divisors (19325064308).

20332231132 is a wasteful number, since it uses less digits than its factorization.

20332231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15737061 (or 15737059 counting only the distinct ones).

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

Adding to 20332231132 its reverse (23113223302), we get a palindrome (43445454434).

The spelling of 20332231132 in words is "twenty billion, three hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty-two".