20500468 has 18 divisors (see below), whose sum is σ = 37866066. Its totient is φ = 9710064.

The previous prime is 20500457. The next prime is 20500483. The reversal of 20500468 is 86400502.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 51984 = 4522^2 + 228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5655 + ... + 8542.

Almost surely, 2^20500468 is an apocalyptic number.

It is an amenable number.

20500468 is a deficient number, since it is larger than the sum of its proper divisors (17365598).

20500468 is a wasteful number, since it uses less digits than its factorization.

20500468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14239 (or 14218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 20500468 is about 4527.7442507279. The cubic root of 20500468 is about 273.6872664016.

The spelling of 20500468 in words is "twenty million, five hundred thousand, four hundred sixty-eight".