20846496 has 96 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 5978880.

The previous prime is 20846461. The next prime is 20846549. The reversal of 20846496 is 69464802.

It is a tau number, because it is divible by the number of its divisors (96).

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, 19545 + ... + 20583.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^20846496 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 20846496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600).

20846496 is an abundant number, since it is smaller than the sum of its proper divisors (42052704).

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

20846496 is a wasteful number, since it uses less digits than its factorization.

20846496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 20846496 is about 4565.7963160877. The cubic root of 20846496 is about 275.2185414315.

The spelling of 20846496 in words is "twenty million, eight hundred forty-six thousand, four hundred ninety-six".