20022000385 has 4 divisors (see below), whose sum is σ = 24026400468. Its totient is φ = 16017600304.

The previous prime is 20022000371. The next prime is 20022000541. The reversal of 20022000385 is 58300022002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6093988096 + 13928012289 = 78064^2 + 118017^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022000385 - 2¹⁷ = 20021869313 is a prime.

It is a Duffinian 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, 2002200034 + ... + 2002200043.

It is an arithmetic number, because the mean of its divisors is an integer number (6006600117).

Almost surely, 2^20022000385 is an apocalyptic number.

It is an amenable number.

20022000385 is a deficient number, since it is larger than the sum of its proper divisors (4004400083).

20022000385 is an equidigital number, since it uses as much as digits as its factorization.

20022000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004400082.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20022000385 its reverse (58300022002), we get a palindrome (78322022387).

The spelling of 20022000385 in words is "twenty billion, twenty-two million, three hundred eighty-five", and thus it is an aban number.