32033130221 has 4 divisors (see below), whose sum is σ = 32072629344. Its totient is φ = 31993631100.

The previous prime is 32033130203. The next prime is 32033130247. The reversal of 32033130221 is 12203133023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32033130221 is a prime.

It is a super-2 number, since 2×32033130221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32033130193 and 32033130202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32033630221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19748345 + ... + 19749966.

It is an arithmetic number, because the mean of its divisors is an integer number (8018157336).

Almost surely, 2^32033130221 is an apocalyptic number.

It is an amenable number.

32033130221 is a deficient number, since it is larger than the sum of its proper divisors (39499123).

32033130221 is an equidigital number, since it uses as much as digits as its factorization.

32033130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39499122.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32033130221 its reverse (12203133023), we get a palindrome (44236263244).

The spelling of 32033130221 in words is "thirty-two billion, thirty-three million, one hundred thirty thousand, two hundred twenty-one".