32201231100220 has 192 divisors, whose sum is σ = 85173061349376. Its totient is φ = 9953017482240.

The previous prime is 32201231100217. The next prime is 32201231100281. The reversal of 32201231100220 is 2200113210223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 909441757 + ... + 909477163.

It is an arithmetic number, because the mean of its divisors is an integer number (443609694528).

Almost surely, 2^{32201231100220} 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 32201231100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42586530674688).

32201231100220 is an abundant number, since it is smaller than the sum of its proper divisors (52971830249156).

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

32201231100220 is a wasteful number, since it uses less digits than its factorization.

32201231100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47100 (or 47098 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32201231100220 its reverse (2200113210223), we get a palindrome (34401344310443).

The spelling of 32201231100220 in words is "thirty-two trillion, two hundred one billion, two hundred thirty-one million, one hundred thousand, two hundred twenty".