20834496 has 70 divisors (see below), whose sum is σ = 61775340. Its totient is φ = 6943104.

The previous prime is 20834491. The next prime is 20834509. The reversal of 20834496 is 69443802.

It is a happy number.

20834496 is a `hidden beast` number, since 208 + 3 + 449 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20834496.

It is not an unprimeable number, because it can be changed into a prime (20834491) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3175 + ... + 7193.

Almost surely, 2^20834496 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 20834496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30887670).

20834496 is an abundant number, since it is smaller than the sum of its proper divisors (40940844).

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

20834496 is an equidigital number, since it uses as much as digits as its factorization.

20834496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 20834496 is about 4564.4820078515. The cubic root of 20834496 is about 275.1657227003.

The spelling of 20834496 in words is "twenty million, eight hundred thirty-four thousand, four hundred ninety-six".