2033203404421 has 24 divisors (see below), whose sum is σ = 2371126317696. Its totient is φ = 1738347528960.

The previous prime is 2033203404361. The next prime is 2033203404457. The reversal of 2033203404421 is 1244043023302.

It is not a de Polignac number, because 2033203404421 - 2³³ = 2024613469829 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 2033203404421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033203404521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198027730 + ... + 198037996.

It is an arithmetic number, because the mean of its divisors is an integer number (98796929904).

Almost surely, 2^{2033203404421} is an apocalyptic number.

It is an amenable number.

2033203404421 is a deficient number, since it is larger than the sum of its proper divisors (337922913275).

2033203404421 is a wasteful number, since it uses less digits than its factorization.

2033203404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089 (or 20082 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2033203404421 its reverse (1244043023302), we get a palindrome (3277246427723).

The spelling of 2033203404421 in words is "two trillion, thirty-three billion, two hundred three million, four hundred four thousand, four hundred twenty-one".