20896344 has 72 divisors (see below), whose sum is σ = 65845260. Its totient is φ = 5969376.

The previous prime is 20896321. The next prime is 20896367. The reversal of 20896344 is 44369802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20896321) and next prime (20896367).

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 20896299 and 20896308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 567 + ... + 6489.

Almost surely, 2^20896344 is an apocalyptic number.

20896344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20896344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32922630).

20896344 is an abundant number, since it is smaller than the sum of its proper divisors (44948916).

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

20896344 is a wasteful number, since it uses less digits than its factorization.

20896344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949 (or 5935 counting only the distinct ones).

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

The square root of 20896344 is about 4571.2519073007. The cubic root of 20896344 is about 275.4377337177.

The spelling of 20896344 in words is "twenty million, eight hundred ninety-six thousand, three hundred forty-four".