20852528 has 10 divisors (see below), whose sum is σ = 40401804. Its totient is φ = 10426256.

The previous prime is 20852521. The next prime is 20852539. The reversal of 20852528 is 82525802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20852494 and 20852503.

It is not an unprimeable number, because it can be changed into a prime (20852521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651626 + ... + 651657.

Almost surely, 2^20852528 is an apocalyptic number.

It is an amenable number.

20852528 is a deficient number, since it is larger than the sum of its proper divisors (19549276).

20852528 is a wasteful number, since it uses less digits than its factorization.

20852528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303291 (or 1303285 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 20852528 is about 4566.4568321621. The cubic root of 20852528 is about 275.2450839920.

The spelling of 20852528 in words is "twenty million, eight hundred fifty-two thousand, five hundred twenty-eight".