20124208 has 40 divisors (see below), whose sum is σ = 43358336. Its totient is φ = 8985600.

The previous prime is 20124197. The next prime is 20124217. The reversal of 20124208 is 80242102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4888 + ... + 8008.

Almost surely, 2^20124208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20124208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21679168).

20124208 is an abundant number, since it is smaller than the sum of its proper divisors (23234128).

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

20124208 is a wasteful number, since it uses less digits than its factorization.

20124208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 20124208 is about 4486.0013374942. The cubic root of 20124208 is about 272.0025230446.

The spelling of 20124208 in words is "twenty million, one hundred twenty-four thousand, two hundred eight".