20822552 has 16 divisors (see below), whose sum is σ = 41339160. Its totient is φ = 9798784.

The previous prime is 20822531. The next prime is 20822563. The reversal of 20822552 is 25522802.

It is a happy number.

It is a zygodrome in base 3.

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 3 ways as a sum of consecutive naturals, for example, 76418 + ... + 76689.

Almost surely, 2^20822552 is an apocalyptic number.

It is an amenable number.

20822552 is a deficient number, since it is larger than the sum of its proper divisors (20516608).

20822552 is a wasteful number, since it uses less digits than its factorization.

20822552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153130 (or 153126 counting only the distinct ones).

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

The square root of 20822552 is about 4563.1734571458. The cubic root of 20822552 is about 275.1131303132.

The spelling of 20822552 in words is "twenty million, eight hundred twenty-two thousand, five hundred fifty-two".