20202896 has 60 divisors (see below), whose sum is σ = 46288332. Its totient is φ = 8515584.

The previous prime is 20202883. The next prime is 20202943. The reversal of 20202896 is 69820202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9834496 + 10368400 = 3136^2 + 3220^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57056 + ... + 57408.

Almost surely, 2^20202896 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 20202896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23144166).

20202896 is an abundant number, since it is smaller than the sum of its proper divisors (26085436).

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

20202896 is a wasteful number, since it uses less digits than its factorization.

20202896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20202896 is about 4494.7631750739. The cubic root of 20202896 is about 272.3565825015.

The spelling of 20202896 in words is "twenty million, two hundred two thousand, eight hundred ninety-six".