20203130444342 has 4 divisors (see below), whose sum is σ = 30304695666516. Its totient is φ = 10101565222170.

The previous prime is 20203130444339. The next prime is 20203130444381. The reversal of 20203130444342 is 24344403130202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20203130444299 and 20203130444308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050782611084 + ... + 5050782611087.

It is an arithmetic number, because the mean of its divisors is an integer number (7576173916629).

Almost surely, 2^{20203130444342} is an apocalyptic number.

20203130444342 is a deficient number, since it is larger than the sum of its proper divisors (10101565222174).

20203130444342 is a wasteful number, since it uses less digits than its factorization.

20203130444342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101565222173.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20203130444342 its reverse (24344403130202), we get a palindrome (44547533574544).

The spelling of 20203130444342 in words is "twenty trillion, two hundred three billion, one hundred thirty million, four hundred forty-four thousand, three hundred forty-two".