20332042522421 has 8 divisors (see below), whose sum is σ = 23236817795520. Its totient is φ = 17427316691808.

The previous prime is 20332042522403. The next prime is 20332042522427. The reversal of 20332042522421 is 12422524023302.

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 20332042522421 - 2⁶ = 20332042522357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332042522427) 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, 11475191 + ... + 13127988.

It is an arithmetic number, because the mean of its divisors is an integer number (2904602224440).

Almost surely, 2^{20332042522421} is an apocalyptic number.

It is an amenable number.

20332042522421 is a deficient number, since it is larger than the sum of its proper divisors (2904775273099).

20332042522421 is a wasteful number, since it uses less digits than its factorization.

20332042522421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24721243.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 20332042522421 its reverse (12422524023302), we get a palindrome (32754566545723).

The spelling of 20332042522421 in words is "twenty trillion, three hundred thirty-two billion, forty-two million, five hundred twenty-two thousand, four hundred twenty-one".