20124246 has 16 divisors (see below), whose sum is σ = 40301424. Its totient is φ = 6699264.

The previous prime is 20124233. The next prime is 20124253. The reversal of 20124246 is 64242102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (2518839).

Almost surely, 2^20124246 is an apocalyptic number.

20124246 is an abundant number, since it is smaller than the sum of its proper divisors (20177178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20124246 is a wasteful number, since it uses less digits than its factorization.

20124246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20124246 is about 4486.0055728900. The cubic root of 20124246 is about 272.0026942496.

Adding to 20124246 its reverse (64242102), we get a palindrome (84366348).

The spelling of 20124246 in words is "twenty million, one hundred twenty-four thousand, two hundred forty-six".