20542048 has 24 divisors (see below), whose sum is σ = 40544280. Its totient is φ = 10245120.

The previous prime is 20542009. The next prime is 20542051. The reversal of 20542048 is 84024502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21648 + ... + 22576.

It is an arithmetic number, because the mean of its divisors is an integer number (1689345).

Almost surely, 2^20542048 is an apocalyptic number.

It is an amenable number.

20542048 is a deficient number, since it is larger than the sum of its proper divisors (20002232).

20542048 is an equidigital number, since it uses as much as digits as its factorization.

20542048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 20542048 is about 4532.3336152583. Note that the first 3 decimals coincide. The cubic root of 20542048 is about 273.8721765125.

The spelling of 20542048 in words is "twenty million, five hundred forty-two thousand, forty-eight".