20321414420209 has 8 divisors (see below), whose sum is σ = 23407343495168. Its totient is φ = 17281202813280.

The previous prime is 20321414420183. The next prime is 20321414420261. The reversal of 20321414420209 is 90202441412302.

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

It is not a de Polignac number, because 20321414420209 - 2¹⁹ = 20321413895921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20361414420209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11429366052 + ... + 11429367829.

It is an arithmetic number, because the mean of its divisors is an integer number (2925917936896).

Almost surely, 2^{20321414420209} is an apocalyptic number.

It is an amenable number.

20321414420209 is a deficient number, since it is larger than the sum of its proper divisors (3085929074959).

20321414420209 is a wasteful number, since it uses less digits than its factorization.

20321414420209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22858734015.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 20321414420209 in words is "twenty trillion, three hundred twenty-one billion, four hundred fourteen million, four hundred twenty thousand, two hundred nine".