21233220002 has 32 divisors (see below), whose sum is σ = 32891443200. Its totient is φ = 10274418000.

The previous prime is 21233219999. The next prime is 21233220037. The reversal of 21233220002 is 20002233212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4293143 + ... + 4298085.

It is an arithmetic number, because the mean of its divisors is an integer number (1027857600).

Almost surely, 2^21233220002 is an apocalyptic number.

21233220002 is a deficient number, since it is larger than the sum of its proper divisors (11658223198).

21233220002 is a wasteful number, since it uses less digits than its factorization.

21233220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21233220002 its reverse (20002233212), we get a palindrome (41235453214).

The spelling of 21233220002 in words is "twenty-one billion, two hundred thirty-three million, two hundred twenty thousand, two".