20852922 has 16 divisors (see below), whose sum is σ = 41769792. Its totient is φ = 6940320.

The previous prime is 20852921. The next prime is 20852929. The reversal of 20852922 is 22925802.

It is a self number, because there is not a number n which added to its sum of digits gives 20852922.

It is not an unprimeable number, because it can be changed into a prime (20852921) 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 in 7 ways as a sum of consecutive naturals, for example, 2283 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (2610612).

Almost surely, 2^20852922 is an apocalyptic number.

It is a pronic number, being equal to 4566×4567.

20852922 is an abundant number, since it is smaller than the sum of its proper divisors (20916870).

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

20852922 is a wasteful number, since it uses less digits than its factorization.

20852922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 20852922 is about 4566.4999726267. The cubic root of 20852922 is about 275.2468175289.

The spelling of 20852922 in words is "twenty million, eight hundred fifty-two thousand, nine hundred twenty-two".