21304050214 has 4 divisors (see below), whose sum is σ = 31956075324. Its totient is φ = 10652025106.

The previous prime is 21304050203. The next prime is 21304050331. The reversal of 21304050214 is 41205040312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5326012552 + ... + 5326012555.

It is an arithmetic number, because the mean of its divisors is an integer number (7989018831).

Almost surely, 2^21304050214 is an apocalyptic number.

21304050214 is a deficient number, since it is larger than the sum of its proper divisors (10652025110).

21304050214 is a wasteful number, since it uses less digits than its factorization.

21304050214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10652025109.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 21304050214 its reverse (41205040312), we get a palindrome (62509090526).

The spelling of 21304050214 in words is "twenty-one billion, three hundred four million, fifty thousand, two hundred fourteen".