20248616 has 16 divisors (see below), whose sum is σ = 38037300. Its totient is φ = 10105344.

The previous prime is 20248607. The next prime is 20248637. The reversal of 20248616 is 61684202.

It can be written as a sum of positive squares in 2 ways, for example, as 18028516 + 2220100 = 4246^2 + 1490^2 .

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, 2840 + ... + 6968.

Almost surely, 2^20248616 is an apocalyptic number.

It is an amenable number.

20248616 is a deficient number, since it is larger than the sum of its proper divisors (17788684).

20248616 is a wasteful number, since it uses less digits than its factorization.

20248616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20248616 is about 4499.8462195946. The cubic root of 20248616 is about 272.5618791663.

The spelling of 20248616 in words is "twenty million, two hundred forty-eight thousand, six hundred sixteen".