20314165421 has 16 divisors (see below), whose sum is σ = 22438840320. Its totient is φ = 18236820720.

The previous prime is 20314165397. The next prime is 20314165511. The reversal of 20314165421 is 12456141302.

It is a cyclic number.

It is not a de Polignac number, because 20314165421 - 2⁶ = 20314165357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314165321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381776 + ... + 431718.

It is an arithmetic number, because the mean of its divisors is an integer number (1402427520).

Almost surely, 2^20314165421 is an apocalyptic number.

It is an amenable number.

20314165421 is a deficient number, since it is larger than the sum of its proper divisors (2124674899).

20314165421 is a wasteful number, since it uses less digits than its factorization.

20314165421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50416.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20314165421 in words is "twenty billion, three hundred fourteen million, one hundred sixty-five thousand, four hundred twenty-one".