20203234424242 has 16 divisors (see below), whose sum is σ = 30476837394432. Its totient is φ = 10044334882080.

The previous prime is 20203234424207. The next prime is 20203234424291. The reversal of 20203234424242 is 24242443230202.

It is a junction number, because it is equal to n+sod(n) for n = 20203234424198 and 20203234424207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10689123 + ... + 12436390.

It is an arithmetic number, because the mean of its divisors is an integer number (1904802337152).

Almost surely, 2^{20203234424242} is an apocalyptic number.

20203234424242 is a deficient number, since it is larger than the sum of its proper divisors (10273602970190).

20203234424242 is a wasteful number, since it uses less digits than its factorization.

20203234424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23127993.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 20203234424242 its reverse (24242443230202), we get a palindrome (44445677654444).

The spelling of 20203234424242 in words is "twenty trillion, two hundred three billion, two hundred thirty-four million, four hundred twenty-four thousand, two hundred forty-two".