20327242301421 has 8 divisors (see below), whose sum is σ = 29566897893024. Its totient is φ = 12319540788720.

The previous prime is 20327242301419. The next prime is 20327242301461. The reversal of 20327242301421 is 12410324272302.

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

It is not a de Polignac number, because 20327242301421 - 2¹ = 20327242301419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 615977039437 = 20327242301421 / (2 + 0 + 3 + 2 + 7 + 2 + 4 + 2 + 3 + 0 + 1 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20327242301461) 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, 307988519686 + ... + 307988519751.

It is an arithmetic number, because the mean of its divisors is an integer number (3695862236628).

Almost surely, 2^{20327242301421} is an apocalyptic number.

It is an amenable number.

20327242301421 is a deficient number, since it is larger than the sum of its proper divisors (9239655591603).

20327242301421 is a wasteful number, since it uses less digits than its factorization.

20327242301421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615977039451.

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 20327242301421 its reverse (12410324272302), we get a palindrome (32737566573723).

The spelling of 20327242301421 in words is "twenty trillion, three hundred twenty-seven billion, two hundred forty-two million, three hundred one thousand, four hundred twenty-one".