20548152 has 48 divisors (see below), whose sum is σ = 56954040. Its totient is φ = 6689088.

The previous prime is 20548141. The next prime is 20548169. The reversal of 20548152 is 25184502.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 223 + ... + 6414.

Almost surely, 2^20548152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20548152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28477020).

20548152 is an abundant number, since it is smaller than the sum of its proper divisors (36405888).

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

20548152 is a wasteful number, since it uses less digits than its factorization.

20548152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 20548152 is about 4533.0069490350. The cubic root of 20548152 is about 273.8993005560.

The spelling of 20548152 in words is "twenty million, five hundred forty-eight thousand, one hundred fifty-two".