20243927 has 16 divisors (see below), whose sum is σ = 22843392. Its totient is φ = 17781120.

The previous prime is 20243891. The next prime is 20243939. The reversal of 20243927 is 72934202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20243927 - 2⁶ = 20243863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20243927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59903 + ... + 60239.

It is an arithmetic number, because the mean of its divisors is an integer number (1427712).

Almost surely, 2^20243927 is an apocalyptic number.

20243927 is a deficient number, since it is larger than the sum of its proper divisors (2599465).

20243927 is a wasteful number, since it uses less digits than its factorization.

20243927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20243927 is about 4499.3251716230. The cubic root of 20243927 is about 272.5408383650.

The spelling of 20243927 in words is "twenty million, two hundred forty-three thousand, nine hundred twenty-seven".