21033602204336 has 40 divisors (see below), whose sum is σ = 41057998151184. Its totient is φ = 10438196913920.

The previous prime is 21033602204333. The next prime is 21033602204347. The reversal of 21033602204336 is 63340220633012.

It is a junction number, because it is equal to n+sod(n) for n = 21033602204296 and 21033602204305.

It is not an unprimeable number, because it can be changed into a prime (21033602204333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847795 + ... + 8097426.

Almost surely, 2^{21033602204336} is an apocalyptic number.

It is an amenable number.

21033602204336 is a deficient number, since it is larger than the sum of its proper divisors (20024395946848).

21033602204336 is a wasteful number, since it uses less digits than its factorization.

21033602204336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945989 (or 12945983 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 21033602204336 its reverse (63340220633012), we get a palindrome (84373822837348).

The spelling of 21033602204336 in words is "twenty-one trillion, thirty-three billion, six hundred two million, two hundred four thousand, three hundred thirty-six".