20124670 has 32 divisors (see below), whose sum is σ = 37620000. Its totient is φ = 7744896.

The previous prime is 20124661. The next prime is 20124733. The reversal of 20124670 is 7642102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40081 + ... + 40579.

It is an arithmetic number, because the mean of its divisors is an integer number (1175625).

Almost surely, 2^20124670 is an apocalyptic number.

20124670 is a deficient number, since it is larger than the sum of its proper divisors (17495330).

20124670 is a wasteful number, since it uses less digits than its factorization.

20124670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20124670 is about 4486.0528307188. The cubic root of 20124670 is about 272.0046045212.

Adding to 20124670 its reverse (7642102), we get a palindrome (27766772).

The spelling of 20124670 in words is "twenty million, one hundred twenty-four thousand, six hundred seventy".