21233002002 has 16 divisors (see below), whose sum is σ = 42478045920. Its totient is φ = 7075660352.

The previous prime is 21233001967. The next prime is 21233002009. The reversal of 21233002002 is 20020033212.

It is not an unprimeable number, because it can be changed into a prime (21233002009) 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, 478743 + ... + 521210.

It is an arithmetic number, because the mean of its divisors is an integer number (2654877870).

Almost surely, 2^21233002002 is an apocalyptic number.

21233002002 is an abundant number, since it is smaller than the sum of its proper divisors (21245043918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233002002 is a wasteful number, since it uses less digits than its factorization.

21233002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003497.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21233002002 its reverse (20020033212), we get a palindrome (41253035214).

The spelling of 21233002002 in words is "twenty-one billion, two hundred thirty-three million, two thousand, two".