20422003806 has 24 divisors (see below), whose sum is σ = 44373036240. Its totient is φ = 6788048256.

The previous prime is 20422003801. The next prime is 20422003879. The reversal of 20422003806 is 60830022402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20422003806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422003801) 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 11 ways as a sum of consecutive naturals, for example, 1600666 + ... + 1613373.

It is an arithmetic number, because the mean of its divisors is an integer number (1848876510).

Almost surely, 2^20422003806 is an apocalyptic number.

20422003806 is an abundant number, since it is smaller than the sum of its proper divisors (23951032434).

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

20422003806 is a wasteful number, since it uses less digits than its factorization.

20422003806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214400 (or 3214397 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 20422003806 in words is "twenty billion, four hundred twenty-two million, three thousand, eight hundred six".