20538848 has 96 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 8501760.

The previous prime is 20538841. The next prime is 20538863. The reversal of 20538848 is 84883502.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20538841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247415 + ... + 247497.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^20538848 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 20538848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24131520).

20538848 is an abundant number, since it is smaller than the sum of its proper divisors (27724192).

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

20538848 is a wasteful number, since it uses less digits than its factorization.

20538848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 20538848 is about 4531.9805824827. The cubic root of 20538848 is about 273.8579546836.

It can be divided in two parts, 2053 and 8848, that added together give a palindrome (10901).

The spelling of 20538848 in words is "twenty million, five hundred thirty-eight thousand, eight hundred forty-eight".