20620604062242 has 24 divisors (see below), whose sum is σ = 44693591789340. Its totient is φ = 6871132176480.

The previous prime is 20620604062241. The next prime is 20620604062291. The reversal of 20620604062242 is 24226040602602.

20620604062242 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 0 + 6 + 0 + 406 + 2 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20546919502641 + 73684559601 = 4532871^2 + 271449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20620604062197 and 20620604062206.

It is not an unprimeable number, because it can be changed into a prime (20620604062241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200156317 + ... + 200259312.

Almost surely, 2^{20620604062242} is an apocalyptic number.

20620604062242 is an abundant number, since it is smaller than the sum of its proper divisors (24072987727098).

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

20620604062242 is a wasteful number, since it uses less digits than its factorization.

20620604062242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400418498 (or 400418495 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 20620604062242 its reverse (24226040602602), we get a palindrome (44846644664844).

The spelling of 20620604062242 in words is "twenty trillion, six hundred twenty billion, six hundred four million, sixty-two thousand, two hundred forty-two".