32101003220 has 96 divisors (see below), whose sum is σ = 79347655296. Its totient is φ = 10754726400.

The previous prime is 32101003213. The next prime is 32101003241. The reversal of 32101003220 is 2230010123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32101003195 and 32101003204.

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 31 ways as a sum of consecutive naturals, for example, 1536887 + ... + 1557633.

It is an arithmetic number, because the mean of its divisors is an integer number (826538076).

Almost surely, 2^32101003220 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 32101003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39673827648).

32101003220 is an abundant number, since it is smaller than the sum of its proper divisors (47246652076).

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

32101003220 is a wasteful number, since it uses less digits than its factorization.

32101003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21321 (or 21319 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 32101003220 its reverse (2230010123), we get a palindrome (34331013343).

The spelling of 32101003220 in words is "thirty-two billion, one hundred one million, three thousand, two hundred twenty".