32331220000 has 120 divisors (see below), whose sum is σ = 80846630172. Its totient is φ = 12720000000.

The previous prime is 32331219997. The next prime is 32331220003. The reversal of 32331220000 is 2213323.

It is an interprime number because it is at equal distance from previous prime (32331219997) and next prime (32331220003).

It can be written as a sum of positive squares in 10 ways, for example, as 12311233936 + 20019986064 = 110956^2 + 141492^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (32331220003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1206750 + ... + 1233250.

Almost surely, 2^32331220000 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 32331220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40423315086).

32331220000 is an abundant number, since it is smaller than the sum of its proper divisors (48515410172).

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

32331220000 is an equidigital number, since it uses as much as digits as its factorization.

32331220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26592 (or 26569 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 32331220000 its reverse (2213323), we get a palindrome (32333433323).

The spelling of 32331220000 in words is "thirty-two billion, three hundred thirty-one million, two hundred twenty thousand".