20352124236228 has 24 divisors (see below), whose sum is σ = 48592668720288. Its totient is φ = 6626273006976.

The previous prime is 20352124236221. The next prime is 20352124236229. The reversal of 20352124236228 is 82263242125302.

It is a self number, because there is not a number n which added to its sum of digits gives 20352124236228.

It is not an unprimeable number, because it can be changed into a prime (20352124236221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19721050101 + ... + 19721051132.

It is an arithmetic number, because the mean of its divisors is an integer number (2024694530012).

Almost surely, 2^{20352124236228} is an apocalyptic number.

It is an amenable number.

20352124236228 is an abundant number, since it is smaller than the sum of its proper divisors (28240544484060).

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

20352124236228 is a wasteful number, since it uses less digits than its factorization.

20352124236228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39442101283 (or 39442101281 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 20352124236228 in words is "twenty trillion, three hundred fifty-two billion, one hundred twenty-four million, two hundred thirty-six thousand, two hundred twenty-eight".