20342103043 has 8 divisors (see below), whose sum is σ = 20536074000. Its totient is φ = 20148377088.

The previous prime is 20342103037. The next prime is 20342103059. The reversal of 20342103043 is 34030124302.

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 a de Polignac number, because none of the positive numbers 2^k-20342103043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20342143043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107808 + ... + 228706.

It is an arithmetic number, because the mean of its divisors is an integer number (2567009250).

Almost surely, 2^20342103043 is an apocalyptic number.

20342103043 is a deficient number, since it is larger than the sum of its proper divisors (193970957).

20342103043 is a wasteful number, since it uses less digits than its factorization.

20342103043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122501.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20342103043 its reverse (34030124302), we get a palindrome (54372227345).

The spelling of 20342103043 in words is "twenty billion, three hundred forty-two million, one hundred three thousand, forty-three".