20124627 has 4 divisors (see below), whose sum is σ = 26832840. Its totient is φ = 13416416.

The previous prime is 20124623. The next prime is 20124631. The reversal of 20124627 is 72642102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20124623) and next prime (20124631).

It is a cyclic number.

It is not a de Polignac number, because 20124627 - 2² = 20124623 is a prime.

It is a super-2 number, since 2×20124627² = 810001223778258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20124597 and 20124606.

It is not an unprimeable number, because it can be changed into a prime (20124623) 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 3 ways as a sum of consecutive naturals, for example, 3354102 + ... + 3354107.

It is an arithmetic number, because the mean of its divisors is an integer number (6708210).

Almost surely, 2^20124627 is an apocalyptic number.

20124627 is a deficient number, since it is larger than the sum of its proper divisors (6708213).

20124627 is an equidigital number, since it uses as much as digits as its factorization.

20124627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708212.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20124627 is about 4486.0480380843. The cubic root of 20124627 is about 272.0044107921.

Adding to 20124627 its reverse (72642102), we get a palindrome (92766729).

The spelling of 20124627 in words is "twenty million, one hundred twenty-four thousand, six hundred twenty-seven".