20234142103 has 4 divisors (see below), whose sum is σ = 23124733840. Its totient is φ = 17343550368.

The previous prime is 20234142059. The next prime is 20234142113. The reversal of 20234142103 is 30124143202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30124143202 = 2 ⋅15062071601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20234142103 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 (20234142113) 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, 1445295858 + ... + 1445295871.

It is an arithmetic number, because the mean of its divisors is an integer number (5781183460).

Almost surely, 2^20234142103 is an apocalyptic number.

20234142103 is a deficient number, since it is larger than the sum of its proper divisors (2890591737).

20234142103 is an equidigital number, since it uses as much as digits as its factorization.

20234142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890591736.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20234142103 its reverse (30124143202), we get a palindrome (50358285305).

The spelling of 20234142103 in words is "twenty billion, two hundred thirty-four million, one hundred forty-two thousand, one hundred three".