20124364 has 12 divisors (see below), whose sum is σ = 37926784. Its totient is φ = 9288144.

The previous prime is 20124361. The next prime is 20124371. The reversal of 20124364 is 46342102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20124361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 193452 + ... + 193555.

Almost surely, 2^20124364 is an apocalyptic number.

It is an amenable number.

20124364 is a deficient number, since it is larger than the sum of its proper divisors (17802420).

20124364 is a wasteful number, since it uses less digits than its factorization.

20124364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387024 (or 387022 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20124364 is about 4486.0187248829. The cubic root of 20124364 is about 272.0032258845.

Adding to 20124364 its reverse (46342102), we get a palindrome (66466466).

The spelling of 20124364 in words is "twenty million, one hundred twenty-four thousand, three hundred sixty-four".