320203224121433 has 4 divisors (see below), whose sum is σ = 339038707893300. Its totient is φ = 301367740349568.

The previous prime is 320203224121321. The next prime is 320203224121453. The reversal of 320203224121433 is 334121422302023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 272089412687689 + 48113811433744 = 16495133^2 + 6936412^2 .

It is a cyclic number.

It is not a de Polignac number, because 320203224121433 - 2⁴⁴ = 302611038077017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320203224121433.

It is not an unprimeable number, because it can be changed into a prime (320203224121453) 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, 9417741885908 + ... + 9417741885941.

It is an arithmetic number, because the mean of its divisors is an integer number (84759676973325).

Almost surely, 2^{320203224121433} is an apocalyptic number.

It is an amenable number.

320203224121433 is a deficient number, since it is larger than the sum of its proper divisors (18835483771867).

320203224121433 is a wasteful number, since it uses less digits than its factorization.

320203224121433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18835483771866.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 320203224121433 its reverse (334121422302023), we get a palindrome (654324646423456).

The spelling of 320203224121433 in words is "three hundred twenty trillion, two hundred three billion, two hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty-three".