21032002333 has 16 divisors (see below), whose sum is σ = 21439398400. Its totient is φ = 20628203904.

The previous prime is 21032002331. The next prime is 21032002363. The reversal of 21032002333 is 33320023012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21032002333 - 2¹ = 21032002331 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 21032002333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032002331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11794960 + ... + 11796742.

It is an arithmetic number, because the mean of its divisors is an integer number (1339962400).

Almost surely, 2^21032002333 is an apocalyptic number.

It is an amenable number.

21032002333 is a deficient number, since it is larger than the sum of its proper divisors (407396067).

21032002333 is a wasteful number, since it uses less digits than its factorization.

21032002333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 21032002333 its reverse (33320023012), we get a palindrome (54352025345).

The spelling of 21032002333 in words is "twenty-one billion, thirty-two million, two thousand, three hundred thirty-three".