20214423 has 12 divisors (see below), whose sum is σ = 30735640. Its totient is φ = 12766896.

The previous prime is 20214413. The next prime is 20214427. The reversal of 20214423 is 32441202.

It is not a de Polignac number, because 20214423 - 2⁵ = 20214391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20214396 and 20214405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58936 + ... + 59277.

Almost surely, 2^20214423 is an apocalyptic number.

20214423 is a deficient number, since it is larger than the sum of its proper divisors (10521217).

20214423 is a wasteful number, since it uses less digits than its factorization.

20214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118238 (or 118235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20214423 is about 4496.0452622277. The cubic root of 20214423 is about 272.4083714040.

Adding to 20214423 its reverse (32441202), we get a palindrome (52655625).

The spelling of 20214423 in words is "twenty million, two hundred fourteen thousand, four hundred twenty-three".