20332012032 has 120 divisors (see below), whose sum is σ = 58916697840. Its totient is φ = 6749952000.

The previous prime is 20332012031. The next prime is 20332012061. The reversal of 20332012032 is 23021023302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20332011996 and 20332012014.

It is not an unprimeable number, because it can be changed into a prime (20332012031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147819 + ... + 1165397.

It is an arithmetic number, because the mean of its divisors is an integer number (490972482).

Almost surely, 2^20332012032 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 20332012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29458348920).

20332012032 is an abundant number, since it is smaller than the sum of its proper divisors (38584685808).

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

20332012032 is a wasteful number, since it uses less digits than its factorization.

20332012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17854 (or 17835 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20332012032 its reverse (23021023302), we get a palindrome (43353035334).

The spelling of 20332012032 in words is "twenty billion, three hundred thirty-two million, twelve thousand, thirty-two".