20124223 has 16 divisors (see below), whose sum is σ = 23541760. Its totient is φ = 16848000.

The previous prime is 20124217. The next prime is 20124229. The reversal of 20124223 is 32242102.

It is an interprime number because it is at equal distance from previous prime (20124217) and next prime (20124229).

It is a cyclic number.

It is not a de Polignac number, because 20124223 - 2⁵ = 20124191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20124197 and 20124206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124229) 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 15 ways as a sum of consecutive naturals, for example, 83383 + ... + 83623.

It is an arithmetic number, because the mean of its divisors is an integer number (1471360).

Almost surely, 2^20124223 is an apocalyptic number.

20124223 is a deficient number, since it is larger than the sum of its proper divisors (3417537).

20124223 is a wasteful number, since it uses less digits than its factorization.

20124223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20124223 is about 4486.0030093615. The cubic root of 20124223 is about 272.0025906256.

Adding to 20124223 its reverse (32242102), we get a palindrome (52366325).

The spelling of 20124223 in words is "twenty million, one hundred twenty-four thousand, two hundred twenty-three".