20355312525224 has 16 divisors (see below), whose sum is σ = 39482287226100. Its totient is φ = 9826702598272.

The previous prime is 20355312525199. The next prime is 20355312525263. The reversal of 20355312525224 is 42252521355302.

It can be written as a sum of positive squares in 2 ways, for example, as 19565848288900 + 789464236324 = 4423330^2 + 888518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43869207797 + ... + 43869208260.

Almost surely, 2^{20355312525224} is an apocalyptic number.

It is an amenable number.

20355312525224 is a deficient number, since it is larger than the sum of its proper divisors (19126974700876).

20355312525224 is a wasteful number, since it uses less digits than its factorization.

20355312525224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87738416092 (or 87738416088 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 20355312525224 in words is "twenty trillion, three hundred fifty-five billion, three hundred twelve million, five hundred twenty-five thousand, two hundred twenty-four".