20468206422 has 24 divisors (see below), whose sum is σ = 45184533264. Its totient is φ = 6694004304.

The previous prime is 20468206393. The next prime is 20468206433. The reversal of 20468206422 is 22460286402.

20468206422 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 8 + 2 + 0 + 642 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10726618 + ... + 10728525.

It is an arithmetic number, because the mean of its divisors is an integer number (1882688886).

Almost surely, 2^20468206422 is an apocalyptic number.

20468206422 is an abundant number, since it is smaller than the sum of its proper divisors (24716326842).

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

20468206422 is a wasteful number, since it uses less digits than its factorization.

20468206422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21455204 (or 21455201 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 20468206422 in words is "twenty billion, four hundred sixty-eight million, two hundred six thousand, four hundred twenty-two".