20332021002221 has 8 divisors (see below), whose sum is σ = 20457379105344. Its totient is φ = 20206670482080.

The previous prime is 20332021002179. The next prime is 20332021002269. The reversal of 20332021002221 is 12220012023302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20332021002221 - 2¹⁸ = 20332020740077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332021002193 and 20332021002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332020002221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531065 + ... + 7289201.

It is an arithmetic number, because the mean of its divisors is an integer number (2557172388168).

Almost surely, 2^{20332021002221} is an apocalyptic number.

It is an amenable number.

20332021002221 is a deficient number, since it is larger than the sum of its proper divisors (125358103123).

20332021002221 is a wasteful number, since it uses less digits than its factorization.

20332021002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791491.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20332021002221 its reverse (12220012023302), we get a palindrome (32552033025523).

The spelling of 20332021002221 in words is "twenty trillion, three hundred thirty-two billion, twenty-one million, two thousand, two hundred twenty-one".