20443232132 has 12 divisors (see below), whose sum is σ = 35779400076. Its totient is φ = 10220546400.

The previous prime is 20443232107. The next prime is 20443232141. The reversal of 20443232132 is 23123234402.

It can be written as a sum of positive squares in 2 ways, for example, as 11729756416 + 8713475716 = 108304^2 + 93346^2 .

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, 223619 + ... + 301482.

It is an arithmetic number, because the mean of its divisors is an integer number (2981616673).

Almost surely, 2^20443232132 is an apocalyptic number.

It is an amenable number.

20443232132 is a deficient number, since it is larger than the sum of its proper divisors (15336167944).

20443232132 is a wasteful number, since it uses less digits than its factorization.

20443232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534838 (or 534836 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20443232132 its reverse (23123234402), we get a palindrome (43566466534).

The spelling of 20443232132 in words is "twenty billion, four hundred forty-three million, two hundred thirty-two thousand, one hundred thirty-two".