32321320231220 has 12 divisors (see below), whose sum is σ = 67874772485604. Its totient is φ = 12928528092480.

The previous prime is 32321320231183. The next prime is 32321320231237. The reversal of 32321320231220 is 2213202312323.

It can be written as a sum of positive squares in 2 ways, for example, as 5948350277776 + 26372969953444 = 2438924^2 + 5135462^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32321320231220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808033005761 + ... + 808033005800.

It is an arithmetic number, because the mean of its divisors is an integer number (5656231040467).

Almost surely, 2^{32321320231220} is an apocalyptic number.

It is an amenable number.

32321320231220 is an abundant number, since it is smaller than the sum of its proper divisors (35553452254384).

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

32321320231220 is a wasteful number, since it uses less digits than its factorization.

32321320231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616066011570 (or 1616066011568 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 32321320231220 its reverse (2213202312323), we get a palindrome (34534522543543).

The spelling of 32321320231220 in words is "thirty-two trillion, three hundred twenty-one billion, three hundred twenty million, two hundred thirty-one thousand, two hundred twenty".