20575550021162 has 8 divisors (see below), whose sum is σ = 30868997410692. Its totient is φ = 10285884217600.

The previous prime is 20575550021113. The next prime is 20575550021179. The reversal of 20575550021162 is 26112005557502.

It can be written as a sum of positive squares in 2 ways, for example, as 20572129993801 + 3420027361 = 4535651^2 + 58481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 945382889 + ... + 945404652.

Almost surely, 2^{20575550021162} is an apocalyptic number.

20575550021162 is a deficient number, since it is larger than the sum of its proper divisors (10293447389530).

20575550021162 is a wasteful number, since it uses less digits than its factorization.

20575550021162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890792984.

The product of its (nonzero) digits is 210000, while the sum is 41.

Adding to 20575550021162 its reverse (26112005557502), we get a palindrome (46687555578664).

The spelling of 20575550021162 in words is "twenty trillion, five hundred seventy-five billion, five hundred fifty million, twenty-one thousand, one hundred sixty-two".