20430043220341 has 4 divisors (see below), whose sum is σ = 20430668273472. Its totient is φ = 20429418167212.

The previous prime is 20430043220329. The next prime is 20430043220417. The reversal of 20430043220341 is 14302234003402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20430043220341 - 2⁵ = 20430043220309 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 (20430043200341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312477535 + ... + 312542908.

It is an arithmetic number, because the mean of its divisors is an integer number (5107667068368).

Almost surely, 2^{20430043220341} is an apocalyptic number.

It is an amenable number.

20430043220341 is a deficient number, since it is larger than the sum of its proper divisors (625053131).

20430043220341 is an equidigital number, since it uses as much as digits as its factorization.

20430043220341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625053130.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20430043220341 its reverse (14302234003402), we get a palindrome (34732277223743).

The spelling of 20430043220341 in words is "twenty trillion, four hundred thirty billion, forty-three million, two hundred twenty thousand, three hundred forty-one".