20342243141 has 8 divisors (see below), whose sum is σ = 22192574400. Its totient is φ = 18492084640.

The previous prime is 20342243099. The next prime is 20342243149. The reversal of 20342243141 is 14134224302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20342243141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20342243141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342243149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408065 + ... + 455193.

It is an arithmetic number, because the mean of its divisors is an integer number (2774071800).

Almost surely, 2^20342243141 is an apocalyptic number.

It is an amenable number.

20342243141 is a deficient number, since it is larger than the sum of its proper divisors (1850331259).

20342243141 is a wasteful number, since it uses less digits than its factorization.

20342243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86379.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20342243141 its reverse (14134224302), we get a palindrome (34476467443).

The spelling of 20342243141 in words is "twenty billion, three hundred forty-two million, two hundred forty-three thousand, one hundred forty-one".