20048356 has 12 divisors (see below), whose sum is σ = 35126140. Its totient is φ = 10012320.

The previous prime is 20048311. The next prime is 20048359. The reversal of 20048356 is 65384002.

It can be written as a sum of positive squares in 2 ways, for example, as 17089956 + 2958400 = 4134^2 + 1720^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20048359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630 + ... + 6538.

Almost surely, 2^20048356 is an apocalyptic number.

It is an amenable number.

20048356 is a deficient number, since it is larger than the sum of its proper divisors (15077784).

20048356 is a wasteful number, since it uses less digits than its factorization.

20048356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20048356 is about 4477.5390562227. The cubic root of 20048356 is about 271.6603495505.

The spelling of 20048356 in words is "twenty million, forty-eight thousand, three hundred fifty-six".