20908848 has 80 divisors (see below), whose sum is σ = 56675936. Its totient is φ = 6635520.

The previous prime is 20908837. The next prime is 20908883. The reversal of 20908848 is 84880902.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108240 + ... + 108432.

Almost surely, 2^20908848 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 20908848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28337968).

20908848 is an abundant number, since it is smaller than the sum of its proper divisors (35767088).

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

20908848 is a wasteful number, since it uses less digits than its factorization.

20908848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 20908848 is about 4572.6193806176. The cubic root of 20908848 is about 275.4926617743.

It can be divided in two parts, 209088 and 48, that multiplied together give a square (10036224 = 3168²).

The spelling of 20908848 in words is "twenty million, nine hundred eight thousand, eight hundred forty-eight".