4020216577 has 8 divisors (see below), whose sum is σ = 4330063080. Its totient is φ = 3710455680.

The previous prime is 4020216547. The next prime is 4020216619. The reversal of 4020216577 is 7756120204.

It can be written as a sum of positive squares in 4 ways, for example, as 480442561 + 3539774016 = 21919^2 + 59496^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4020216577 - 2⁷ = 4020216449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020216547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102927 + ... + 136507.

It is an arithmetic number, because the mean of its divisors is an integer number (541257885).

Almost surely, 2^4020216577 is an apocalyptic number.

It is an amenable number.

4020216577 is a deficient number, since it is larger than the sum of its proper divisors (309846503).

4020216577 is a wasteful number, since it uses less digits than its factorization.

4020216577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42803.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 4020216577 is about 63405.1778406149. The cubic root of 4020216577 is about 1590.0708770799.

The spelling of 4020216577 in words is "four billion, twenty million, two hundred sixteen thousand, five hundred seventy-seven".