20550148 has 24 divisors (see below), whose sum is σ = 37506560. Its totient is φ = 9840960.

The previous prime is 20550121. The next prime is 20550199. The reversal of 20550148 is 84105502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11968 + ... + 13576.

Almost surely, 2^20550148 is an apocalyptic number.

It is an amenable number.

20550148 is a deficient number, since it is larger than the sum of its proper divisors (16956412).

20550148 is a wasteful number, since it uses less digits than its factorization.

20550148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 20550148 is about 4533.2271065986. The cubic root of 20550148 is about 273.9081689172.

The spelling of 20550148 in words is "twenty million, five hundred fifty thousand, one hundred forty-eight".