4420020413 has 4 divisors (see below), whose sum is σ = 4572434940. Its totient is φ = 4267605888.

The previous prime is 4420020403. The next prime is 4420020421. The reversal of 4420020413 is 3140200244.

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 3564925849 + 855094564 = 59707^2 + 29242^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420020413 - 2²⁴ = 4403243197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420020403) 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, 76207220 + ... + 76207277.

It is an arithmetic number, because the mean of its divisors is an integer number (1143108735).

Almost surely, 2^4420020413 is an apocalyptic number.

It is an amenable number.

4420020413 is a deficient number, since it is larger than the sum of its proper divisors (152414527).

4420020413 is a wasteful number, since it uses less digits than its factorization.

4420020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152414526.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4420020413 is about 66483.2340744642. The cubic root of 4420020413 is about 1641.1241070030.

Adding to 4420020413 its reverse (3140200244), we get a palindrome (7560220657).

The spelling of 4420020413 in words is "four billion, four hundred twenty million, twenty thousand, four hundred thirteen".