20173148 has 12 divisors (see below), whose sum is σ = 36164352. Its totient is φ = 9840480.

The previous prime is 20173141. The next prime is 20173207. The reversal of 20173148 is 84137102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20173141) 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, 61340 + ... + 61667.

It is an arithmetic number, because the mean of its divisors is an integer number (3013696).

Almost surely, 2^20173148 is an apocalyptic number.

It is an amenable number.

20173148 is a deficient number, since it is larger than the sum of its proper divisors (15991204).

20173148 is a wasteful number, since it uses less digits than its factorization.

20173148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123052 (or 123050 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20173148 is about 4491.4527716542. The cubic root of 20173148 is about 272.2228385813. Note that the first 3 decimals are identical.

The spelling of 20173148 in words is "twenty million, one hundred seventy-three thousand, one hundred forty-eight".