20421214301422 has 8 divisors (see below), whose sum is σ = 33416532493272. Its totient is φ = 9282370137000.

The previous prime is 20421214301393. The next prime is 20421214301431. The reversal of 20421214301422 is 22410341212402.

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, 464118506829 + ... + 464118506872.

It is an arithmetic number, because the mean of its divisors is an integer number (4177066561659).

Almost surely, 2^{20421214301422} is an apocalyptic number.

20421214301422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20421214301422 is a deficient number, since it is larger than the sum of its proper divisors (12995318191850).

20421214301422 is a wasteful number, since it uses less digits than its factorization.

20421214301422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928237013714.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20421214301422 its reverse (22410341212402), we get a palindrome (42831555513824).

The spelling of 20421214301422 in words is "twenty trillion, four hundred twenty-one billion, two hundred fourteen million, three hundred one thousand, four hundred twenty-two".