20896800 has 72 divisors (see below), whose sum is σ = 68026896. Its totient is φ = 5571840.

The previous prime is 20896783. The next prime is 20896801. The reversal of 20896800 is 869802.

It is not an unprimeable number, because it can be changed into a prime (20896801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1954 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (944818).

Almost surely, 2^20896800 is an apocalyptic number.

20896800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20896800 is an abundant number, since it is smaller than the sum of its proper divisors (47130096).

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

20896800 is a wasteful number, since it uses less digits than its factorization.

20896800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 20896800 is about 4571.3017839561. The cubic root of 20896800 is about 275.4397372371.

The spelling of 20896800 in words is "twenty million, eight hundred ninety-six thousand, eight hundred".