21343020214 has 8 divisors (see below), whose sum is σ = 32073708528. Its totient is φ = 10651784040.

The previous prime is 21343020199. The next prime is 21343020233. The reversal of 21343020214 is 41202034312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9861682 + ... + 9863845.

It is an arithmetic number, because the mean of its divisors is an integer number (4009213566).

Almost surely, 2^21343020214 is an apocalyptic number.

21343020214 is a deficient number, since it is larger than the sum of its proper divisors (10730688314).

21343020214 is a wasteful number, since it uses less digits than its factorization.

21343020214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19726070.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21343020214 its reverse (41202034312), we get a palindrome (62545054526).

The spelling of 21343020214 in words is "twenty-one billion, three hundred forty-three million, twenty thousand, two hundred fourteen".