20002332532 has 144 divisors (see below), whose sum is σ = 47514962880. Its totient is φ = 7273663488.

The previous prime is 20002332527. The next prime is 20002332533. The reversal of 20002332532 is 23523320002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002332533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1857219 + ... + 1867957.

It is an arithmetic number, because the mean of its divisors is an integer number (329965020).

Almost surely, 2^20002332532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002332532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23757481440).

20002332532 is an abundant number, since it is smaller than the sum of its proper divisors (27512630348).

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

20002332532 is a wasteful number, since it uses less digits than its factorization.

20002332532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830 (or 10821 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20002332532 its reverse (23523320002), we get a palindrome (43525652534).

The spelling of 20002332532 in words is "twenty billion, two million, three hundred thirty-two thousand, five hundred thirty-two".