32012310220 has 96 divisors (see below), whose sum is σ = 73766246400. Its totient is φ = 11573011200.

The previous prime is 32012310191. The next prime is 32012310223. The reversal of 32012310220 is 2201321023.

It is a junction number, because it is equal to n+sod(n) for n = 32012310194 and 32012310203.

It is not an unprimeable number, because it can be changed into a prime (32012310223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44523021 + ... + 44523739.

It is an arithmetic number, because the mean of its divisors is an integer number (768398400).

Almost surely, 2^32012310220 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 32012310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36883123200).

32012310220 is an abundant number, since it is smaller than the sum of its proper divisors (41753936180).

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

32012310220 is a wasteful number, since it uses less digits than its factorization.

32012310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32012310220 its reverse (2201321023), we get a palindrome (34213631243).

The spelling of 32012310220 in words is "thirty-two billion, twelve million, three hundred ten thousand, two hundred twenty".