20852228306 has 256 divisors, whose sum is σ = 44008538112. Its totient is φ = 7185024000.

The previous prime is 20852228297. The next prime is 20852228359. The reversal of 20852228306 is 60382225802.

It is a self number, because there is not a number n which added to its sum of digits gives 20852228306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 206457656 + ... + 206457756.

It is an arithmetic number, because the mean of its divisors is an integer number (171908352).

Almost surely, 2^20852228306 is an apocalyptic number.

20852228306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20852228306 is an abundant number, since it is smaller than the sum of its proper divisors (23156309806).

20852228306 is a wasteful number, since it uses less digits than its factorization.

20852228306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 20852228306 in words is "twenty billion, eight hundred fifty-two million, two hundred twenty-eight thousand, three hundred six".