20332020032221 has 4 divisors (see below), whose sum is σ = 20492114678272. Its totient is φ = 20171925386172.

The previous prime is 20332020032209. The next prime is 20332020032237. The reversal of 20332020032221 is 12223002023302.

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 not a de Polignac number, because 20332020032221 - 2⁹ = 20332020031709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332020032192 and 20332020032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332020030221) 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, 80047322835 + ... + 80047323088.

It is an arithmetic number, because the mean of its divisors is an integer number (5123028669568).

Almost surely, 2^{20332020032221} is an apocalyptic number.

It is an amenable number.

20332020032221 is a deficient number, since it is larger than the sum of its proper divisors (160094646051).

20332020032221 is a wasteful number, since it uses less digits than its factorization.

20332020032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160094646050.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20332020032221 its reverse (12223002023302), we get a palindrome (32555022055523).

The spelling of 20332020032221 in words is "twenty trillion, three hundred thirty-two billion, twenty million, thirty-two thousand, two hundred twenty-one".