20203450322 has 16 divisors (see below), whose sum is σ = 33320512512. Its totient is φ = 9111075120.

The previous prime is 20203450313. The next prime is 20203450327. The reversal of 20203450322 is 22305430202.

It is not an unprimeable number, because it can be changed into a prime (20203450327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3612713 + ... + 3618300.

It is an arithmetic number, because the mean of its divisors is an integer number (2082532032).

Almost surely, 2^20203450322 is an apocalyptic number.

20203450322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20203450322 is a deficient number, since it is larger than the sum of its proper divisors (13117062190).

20203450322 is a wasteful number, since it uses less digits than its factorization.

20203450322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231153.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20203450322 its reverse (22305430202), we get a palindrome (42508880524).

The spelling of 20203450322 in words is "twenty billion, two hundred three million, four hundred fifty thousand, three hundred twenty-two".