20146848 has 48 divisors (see below), whose sum is σ = 53796960. Its totient is φ = 6599936.

The previous prime is 20146831. The next prime is 20146927. The reversal of 20146848 is 84864102.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 3886 + ... + 7442.

It is an arithmetic number, because the mean of its divisors is an integer number (1120770).

Almost surely, 2^20146848 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 20146848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26898480).

20146848 is an abundant number, since it is smaller than the sum of its proper divisors (33650112).

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

20146848 is a wasteful number, since it uses less digits than its factorization.

20146848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 20146848 is about 4488.5240335772. The cubic root of 20146848 is about 272.1044869619.

The spelling of 20146848 in words is "twenty million, one hundred forty-six thousand, eight hundred forty-eight".