20001132332 has 12 divisors (see below), whose sum is σ = 37060921800. Its totient is φ = 9412297536.

The previous prime is 20001132331. The next prime is 20001132341. The reversal of 20001132332 is 23323110002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20001132332.

It is not an unprimeable number, because it can be changed into a prime (20001132331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147067082 + ... + 147067217.

It is an arithmetic number, because the mean of its divisors is an integer number (3088410150).

Almost surely, 2^20001132332 is an apocalyptic number.

It is an amenable number.

20001132332 is a deficient number, since it is larger than the sum of its proper divisors (17059789468).

20001132332 is a wasteful number, since it uses less digits than its factorization.

20001132332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294134320 (or 294134318 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20001132332 its reverse (23323110002), we get a palindrome (43324242334).

The spelling of 20001132332 in words is "twenty billion, one million, one hundred thirty-two thousand, three hundred thirty-two".