21334002 has 16 divisors (see below), whose sum is σ = 42779232. Its totient is φ = 7092800.

The previous prime is 21333973. The next prime is 21334007. The reversal of 21334002 is 20043312.

It is not an unprimeable number, because it can be changed into a prime (21334007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (2673702).

Almost surely, 2^21334002 is an apocalyptic number.

21334002 is an abundant number, since it is smaller than the sum of its proper divisors (21445230).

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

21334002 is a wasteful number, since it uses less digits than its factorization.

21334002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273.

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

The square root of 21334002 is about 4618.8745382398. The cubic root of 21334002 is about 277.3474073823.

Adding to 21334002 its reverse (20043312), we get a palindrome (41377314).

The spelling of 21334002 in words is "twenty-one million, three hundred thirty-four thousand, two".