20488848 has 80 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 6415360.

The previous prime is 20488847. The next prime is 20488849. The reversal of 20488848 is 84888402.

It is an interprime number because it is at equal distance from previous prime (20488847) and next prime (20488849).

It is not an unprimeable number, because it can be changed into a prime (20488843) 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, 56893 + ... + 57251.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^20488848 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 20488848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

20488848 is an abundant number, since it is smaller than the sum of its proper divisors (35757552).

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

20488848 is a wasteful number, since it uses less digits than its factorization.

20488848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 20488848 is about 4526.4608691559. The cubic root of 20488848 is about 273.6355464913.

The spelling of 20488848 in words is "twenty million, four hundred eighty-eight thousand, eight hundred forty-eight".