4020173393 has 4 divisors (see below), whose sum is σ = 4020450468. Its totient is φ = 4019896320.

The previous prime is 4020173383. The next prime is 4020173441. The reversal of 4020173393 is 3933710204.

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 2125486609 + 1894686784 = 46103^2 + 43528^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020173393 - 2¹⁶ = 4020107857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020173303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115496 + ... + 146217.

It is an arithmetic number, because the mean of its divisors is an integer number (1005112617).

Almost surely, 2^4020173393 is an apocalyptic number.

It is an amenable number.

4020173393 is a deficient number, since it is larger than the sum of its proper divisors (277075).

4020173393 is a wasteful number, since it uses less digits than its factorization.

4020173393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277074.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 4020173393 is about 63404.8372996887. The cubic root of 4020173393 is about 1590.0651836995.

Adding to 4020173393 its reverse (3933710204), we get a palindrome (7953883597).

The spelling of 4020173393 in words is "four billion, twenty million, one hundred seventy-three thousand, three hundred ninety-three".