21334010 has 16 divisors (see below), whose sum is σ = 38454696. Its totient is φ = 8521728.

The previous prime is 21334007. The next prime is 21334039. The reversal of 21334010 is 1043312.

It can be written as a sum of positive squares in 4 ways, for example, as 9174841 + 12159169 = 3029^2 + 3487^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11294 + ... + 13046.

Almost surely, 2^21334010 is an apocalyptic number.

21334010 is a deficient number, since it is larger than the sum of its proper divisors (17120686).

21334010 is a wasteful number, since it uses less digits than its factorization.

21334010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 21334010 is about 4618.8754042516. The cubic root of 21334010 is about 277.3474420496.

Adding to 21334010 its reverse (1043312), we get a palindrome (22377322).

The spelling of 21334010 in words is "twenty-one million, three hundred thirty-four thousand, ten".