20430343321141 has 8 divisors (see below), whose sum is σ = 22001944862520. Its totient is φ = 18858747018432.

The previous prime is 20430343321139. The next prime is 20430343321153. The reversal of 20430343321141 is 14112334303402.

It can be written as a sum of positive squares in 4 ways, for example, as 585156100 + 20429758165041 = 24190^2 + 4519929^2 .

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 20430343321141 - 2¹ = 20430343321139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430343321441) 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, 11254155 + ... + 12942823.

It is an arithmetic number, because the mean of its divisors is an integer number (2750243107815).

Almost surely, 2^{20430343321141} is an apocalyptic number.

It is an amenable number.

20430343321141 is a deficient number, since it is larger than the sum of its proper divisors (1571601541379).

20430343321141 is a wasteful number, since it uses less digits than its factorization.

20430343321141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619335.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20430343321141 its reverse (14112334303402), we get a palindrome (34542677624543).

The spelling of 20430343321141 in words is "twenty trillion, four hundred thirty billion, three hundred forty-three million, three hundred twenty-one thousand, one hundred forty-one".