21433002 has 8 divisors (see below), whose sum is σ = 42866016. Its totient is φ = 7144332.

The previous prime is 21432991. The next prime is 21433051. The reversal of 21433002 is 20033412.

It is a sphenic number, since it is the product of 3 distinct primes.

21433002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786078 + ... + 1786089.

It is an arithmetic number, because the mean of its divisors is an integer number (5358252).

Almost surely, 2^21433002 is an apocalyptic number.

21433002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21433002 is a wasteful number, since it uses less digits than its factorization.

21433002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572172.

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

The square root of 21433002 is about 4629.5790305383. The cubic root of 21433002 is about 277.7757538104.

Adding to 21433002 its reverse (20033412), we get a palindrome (41466414).

The spelling of 21433002 in words is "twenty-one million, four hundred thirty-three thousand, two".