4020385822 has 8 divisors (see below), whose sum is σ = 6055812000. Its totient is φ = 2001781824.

The previous prime is 4020385813. The next prime is 4020385841. The reversal of 4020385822 is 2285830204.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4204947 + ... + 4205902.

It is an arithmetic number, because the mean of its divisors is an integer number (756976500).

Almost surely, 2^4020385822 is an apocalyptic number.

4020385822 is a deficient number, since it is larger than the sum of its proper divisors (2035426178).

4020385822 is a wasteful number, since it uses less digits than its factorization.

4020385822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411090.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 4020385822 is about 63406.5124573178. The cubic root of 4020385822 is about 1590.0931899549.

It can be divided in two parts, 40203 and 85822, that added together give a square (126025 = 355²).

The spelling of 4020385822 in words is "four billion, twenty million, three hundred eighty-five thousand, eight hundred twenty-two".