203420321105334 has 16 divisors (see below), whose sum is σ = 412912890602688. Its totient is φ = 66794732303112.

The previous prime is 203420321105327. The next prime is 203420321105387. The reversal of 203420321105334 is 433501123024302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203420321105295 and 203420321105304.

It is a congruent number.

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, 253010349232 + ... + 253010350035.

It is an arithmetic number, because the mean of its divisors is an integer number (25807055662668).

Almost surely, 2^{203420321105334} is an apocalyptic number.

203420321105334 is an abundant number, since it is smaller than the sum of its proper divisors (209492569497354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203420321105334 is a wasteful number, since it uses less digits than its factorization.

203420321105334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506020699339.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 203420321105334 its reverse (433501123024302), we get a palindrome (636921444129636).

The spelling of 203420321105334 in words is "two hundred three trillion, four hundred twenty billion, three hundred twenty-one million, one hundred five thousand, three hundred thirty-four".