20548134 has 32 divisors (see below), whose sum is σ = 46781280. Its totient is φ = 6681600.

The previous prime is 20548117. The next prime is 20548141. The reversal of 20548134 is 43184502.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20548098 and 20548107.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2427 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (1461915).

Almost surely, 2^20548134 is an apocalyptic number.

20548134 is an abundant number, since it is smaller than the sum of its proper divisors (26233146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20548134 is a wasteful number, since it uses less digits than its factorization.

20548134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333 (or 9327 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20548134 is about 4533.0049635975. The cubic root of 20548134 is about 273.8992205782.

The spelling of 20548134 in words is "twenty million, five hundred forty-eight thousand, one hundred thirty-four".