21200614 has 8 divisors (see below), whose sum is σ = 32014800. Its totient is φ = 10529016.

The previous prime is 21200603. The next prime is 21200617. The reversal of 21200614 is 41600212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35274 + ... + 35869.

It is an arithmetic number, because the mean of its divisors is an integer number (4001850).

Almost surely, 2^21200614 is an apocalyptic number.

21200614 is a deficient number, since it is larger than the sum of its proper divisors (10814186).

21200614 is a wasteful number, since it uses less digits than its factorization.

21200614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71294.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21200614 is about 4604.4124489450. The cubic root of 21200614 is about 276.7681726216.

Adding to 21200614 its reverse (41600212), we get a palindrome (62800826).

The spelling of 21200614 in words is "twenty-one million, two hundred thousand, six hundred fourteen".