32221333020 has 48 divisors (see below), whose sum is σ = 91018156320. Its totient is φ = 8516315136.

The previous prime is 32221333003. The next prime is 32221333031. The reversal of 32221333020 is 2033312223.

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, 2369425 + ... + 2382984.

It is an arithmetic number, because the mean of its divisors is an integer number (1896211590).

Almost surely, 2^32221333020 is an apocalyptic number.

32221333020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32221333020 is an abundant number, since it is smaller than the sum of its proper divisors (58796823300).

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

32221333020 is a wasteful number, since it uses less digits than its factorization.

32221333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752534 (or 4752532 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 32221333020 its reverse (2033312223), we get a palindrome (34254645243).

The spelling of 32221333020 in words is "thirty-two billion, two hundred twenty-one million, three hundred thirty-three thousand, twenty".