20826048 has 56 divisors (see below), whose sum is σ = 56896000. Its totient is φ = 6716160.

The previous prime is 20826023. The next prime is 20826053. The reversal of 20826048 is 84062802.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (1016000).

Almost surely, 2^20826048 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 20826048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28448000).

20826048 is an abundant number, since it is smaller than the sum of its proper divisors (36069952).

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

20826048 is a wasteful number, since it uses less digits than its factorization.

20826048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20826048 is about 4563.5565078127. The cubic root of 20826048 is about 275.1285261476.

The spelling of 20826048 in words is "twenty million, eight hundred twenty-six thousand, forty-eight".