20748592 has 10 divisors (see below), whose sum is σ = 40200428. Its totient is φ = 10374288.

The previous prime is 20748577. The next prime is 20748593. The reversal of 20748592 is 29584702.

It is not an unprimeable number, because it can be changed into a prime (20748593) 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 as a sum of consecutive naturals, namely, 648378 + ... + 648409.

Almost surely, 2^20748592 is an apocalyptic number.

It is an amenable number.

20748592 is a deficient number, since it is larger than the sum of its proper divisors (19451836).

20748592 is a wasteful number, since it uses less digits than its factorization.

20748592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296795 (or 1296789 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 20748592 is about 4555.0622388723. The cubic root of 20748592 is about 274.7870174606.

The spelling of 20748592 in words is "twenty million, seven hundred forty-eight thousand, five hundred ninety-two".