20852882 has 6 divisors (see below), whose sum is σ = 31289013. Its totient is φ = 10423212.

The previous prime is 20852857. The next prime is 20852921. The reversal of 20852882 is 28825802.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 863041 = 4471^2 + 929^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3229.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4844 + ... + 8072.

Almost surely, 2^20852882 is an apocalyptic number.

20852882 is a deficient number, since it is larger than the sum of its proper divisors (10436131).

20852882 is an frugal number, since it uses more digits than its factorization.

20852882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 20852882 is about 4566.4955929027. The cubic root of 20852882 is about 275.2466415363.

The spelling of 20852882 in words is "twenty million, eight hundred fifty-two thousand, eight hundred eighty-two".