20386048 has 18 divisors (see below), whose sum is σ = 40692974. Its totient is φ = 10192896.

The previous prime is 20386039. The next prime is 20386049. The reversal of 20386048 is 84068302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 4129024 = 4032^2 + 2032^2 .

It is not an unprimeable number, because it can be changed into a prime (20386049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39561 + ... + 40072.

Almost surely, 2^20386048 is an apocalyptic number.

It is an amenable number.

20386048 is a deficient number, since it is larger than the sum of its proper divisors (20306926).

20386048 is an frugal number, since it uses more digits than its factorization.

20386048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79649 (or 79635 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20386048 is about 4515.0911397224. The cubic root of 20386048 is about 273.1771359541.

The spelling of 20386048 in words is "twenty million, three hundred eighty-six thousand, forty-eight".