20005852 has 12 divisors (see below), whose sum is σ = 35045920. Its totient is φ = 9992736.

The previous prime is 20005849. The next prime is 20005861. The reversal of 20005852 is 25850002.

It is a super-2 number, since 2×20005852² = 800468228491808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424 + ... + 7192.

Almost surely, 2^20005852 is an apocalyptic number.

It is an amenable number.

20005852 is a deficient number, since it is larger than the sum of its proper divisors (15040068).

20005852 is a wasteful number, since it uses less digits than its factorization.

20005852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 20005852 is about 4472.7901806367. The cubic root of 20005852 is about 271.4682336976.

Adding to 20005852 its reverse (25850002), we get a palindrome (45855854).

The spelling of 20005852 in words is "twenty million, five thousand, eight hundred fifty-two".