32020120221 has 4 divisors (see below), whose sum is σ = 42693493632. Its totient is φ = 21346746812.

The previous prime is 32020120207. The next prime is 32020120247. The reversal of 32020120221 is 12202102023.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12202102023 = 3 ⋅4067367341.

It is a cyclic number.

It is not a de Polignac number, because 32020120221 - 2¹³ = 32020112029 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32020120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020120261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5336686701 + ... + 5336686706.

It is an arithmetic number, because the mean of its divisors is an integer number (10673373408).

Almost surely, 2^32020120221 is an apocalyptic number.

It is an amenable number.

32020120221 is a deficient number, since it is larger than the sum of its proper divisors (10673373411).

32020120221 is a wasteful number, since it uses less digits than its factorization.

32020120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673373410.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32020120221 its reverse (12202102023), we get a palindrome (44222222244).

The spelling of 32020120221 in words is "thirty-two billion, twenty million, one hundred twenty thousand, two hundred twenty-one".