4220050813 has 12 divisors (see below), whose sum is σ = 4640246044. Its totient is φ = 3835022400.

The previous prime is 4220050763. The next prime is 4220050817. The reversal of 4220050813 is 3180500224.

It can be written as a sum of positive squares in 2 ways, for example, as 1895557444 + 2324493369 = 43538^2 + 48213^2 .

It is not a de Polignac number, because 4220050813 - 2²⁹ = 3683179901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220050817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490993 + ... + 499513.

Almost surely, 2^4220050813 is an apocalyptic number.

It is an amenable number.

4220050813 is a deficient number, since it is larger than the sum of its proper divisors (420195231).

4220050813 is a wasteful number, since it uses less digits than its factorization.

4220050813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636 (or 12625 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4220050813 is about 64961.9181751894. The cubic root of 4220050813 is about 1615.9920755185.

The spelling of 4220050813 in words is "four billion, two hundred twenty million, fifty thousand, eight hundred thirteen".