20852252 has 24 divisors (see below), whose sum is σ = 37422000. Its totient is φ = 10163456.

The previous prime is 20852219. The next prime is 20852261. The reversal of 20852252 is 25225802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 34868 + ... + 35460.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 2^20852252 is an apocalyptic number.

It is an amenable number.

20852252 is a deficient number, since it is larger than the sum of its proper divisors (16569748).

20852252 is a wasteful number, since it uses less digits than its factorization.

20852252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 20852252 is about 4566.4266116954. The cubic root of 20852252 is about 275.2438696232.

The spelling of 20852252 in words is "twenty million, eight hundred fifty-two thousand, two hundred fifty-two".