20895336 has 96 divisors (see below), whose sum is σ = 70574400. Its totient is φ = 5425920.

The previous prime is 20895319. The next prime is 20895349. The reversal of 20895336 is 63359802.

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 20895336.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3660 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (735150).

Almost surely, 2^20895336 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 20895336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35287200).

20895336 is an abundant number, since it is smaller than the sum of its proper divisors (49679064).

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

20895336 is a wasteful number, since it uses less digits than its factorization.

20895336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 20895336 is about 4571.1416517102. The cubic root of 20895336 is about 275.4333047819.

The spelling of 20895336 in words is "twenty million, eight hundred ninety-five thousand, three hundred thirty-six".