20604148 has 12 divisors (see below), whose sum is σ = 36514240. Its totient is φ = 10171512.

The previous prime is 20604139. The next prime is 20604149. The reversal of 20604148 is 84140602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604149) 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, 32286 + ... + 32917.

Almost surely, 2^20604148 is an apocalyptic number.

It is an amenable number.

20604148 is a deficient number, since it is larger than the sum of its proper divisors (15910092).

20604148 is a wasteful number, since it uses less digits than its factorization.

20604148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65286 (or 65284 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20604148 is about 4539.1792209605. The cubic root of 20604148 is about 274.1478769141.

The spelling of 20604148 in words is "twenty million, six hundred four thousand, one hundred forty-eight".