32213210320 has 40 divisors (see below), whose sum is σ = 75132037224. Its totient is φ = 12844626432.

The previous prime is 32213210243. The next prime is 32213210329. The reversal of 32213210320 is 2301231223.

It can be written as a sum of positive squares in 4 ways, for example, as 2614072384 + 29599137936 = 51128^2 + 172044^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32213210329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 609759 + ... + 660478.

Almost surely, 2^32213210320 is an apocalyptic number.

It is an amenable number.

32213210320 is an abundant number, since it is smaller than the sum of its proper divisors (42918826904).

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

32213210320 is a wasteful number, since it uses less digits than its factorization.

32213210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270567 (or 1270561 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32213210320 its reverse (2301231223), we get a palindrome (34514441543).

The spelling of 32213210320 in words is "thirty-two billion, two hundred thirteen million, two hundred ten thousand, three hundred twenty".