32221020340 has 48 divisors (see below), whose sum is σ = 69209662032. Its totient is φ = 12595920896.

The previous prime is 32221020323. The next prime is 32221020361. The reversal of 32221020340 is 4302012223.

It can be written as a sum of positive squares in 8 ways, for example, as 1005904656 + 31215115684 = 31716^2 + 176678^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213282 + ... + 331558.

It is an arithmetic number, because the mean of its divisors is an integer number (1441867959).

Almost surely, 2^32221020340 is an apocalyptic number.

It is an amenable number.

32221020340 is an abundant number, since it is smaller than the sum of its proper divisors (36988641692).

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

32221020340 is a wasteful number, since it uses less digits than its factorization.

32221020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118596 (or 118594 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 32221020340 its reverse (4302012223), we get a palindrome (36523032563).

The spelling of 32221020340 in words is "thirty-two billion, two hundred twenty-one million, twenty thousand, three hundred forty".