20332141342221 has 16 divisors (see below), whose sum is σ = 27643738112640. Its totient is φ = 13290258667200.

The previous prime is 20332141342217. The next prime is 20332141342241. The reversal of 20332141342221 is 12224314123302.

It is a happy number.

It is not a de Polignac number, because 20332141342221 - 2² = 20332141342217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332141342211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325710426 + ... + 325772843.

It is an arithmetic number, because the mean of its divisors is an integer number (1727733632040).

Almost surely, 2^{20332141342221} is an apocalyptic number.

It is an amenable number.

20332141342221 is a deficient number, since it is larger than the sum of its proper divisors (7311596770419).

20332141342221 is a wasteful number, since it uses less digits than its factorization.

20332141342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651483476.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20332141342221 its reverse (12224314123302), we get a palindrome (32556455465523).

The spelling of 20332141342221 in words is "twenty trillion, three hundred thirty-two billion, one hundred forty-one million, three hundred forty-two thousand, two hundred twenty-one".