21334050 has 48 divisors (see below), whose sum is σ = 58790880. Its totient is φ = 5688720.

The previous prime is 21334039. The next prime is 21334067. The reversal of 21334050 is 5043312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6552 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (1224810).

Almost surely, 2^21334050 is an apocalyptic number.

21334050 is an abundant number, since it is smaller than the sum of its proper divisors (37456830).

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

21334050 is a wasteful number, since it uses less digits than its factorization.

21334050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824 (or 15813 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 21334050 is about 4618.8797343079. The cubic root of 21334050 is about 277.3476153862.

Adding to 21334050 its reverse (5043312), we get a palindrome (26377362).

The spelling of 21334050 in words is "twenty-one million, three hundred thirty-four thousand, fifty".