20996048 has 20 divisors (see below), whose sum is σ = 40771200. Its totient is φ = 10474464.

The previous prime is 20996047. The next prime is 20996051. The reversal of 20996048 is 84069902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20996047) by changing a digit.

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, 7553 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (2038560).

Almost surely, 2^20996048 is an apocalyptic number.

It is an amenable number.

20996048 is a deficient number, since it is larger than the sum of its proper divisors (19775152).

20996048 is a wasteful number, since it uses less digits than its factorization.

20996048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 20996048 is about 4582.1444761160. The cubic root of 20996048 is about 275.8751097772.

The spelling of 20996048 in words is "twenty million, nine hundred ninety-six thousand, forty-eight".