4421020201 has 16 divisors (see below), whose sum is σ = 4957213968. Its totient is φ = 3916108800.

The previous prime is 4421020193. The next prime is 4421020211. The reversal of 4421020201 is 1020201244.

It can be written as a sum of positive squares in 8 ways, for example, as 1197506025 + 3223514176 = 34605^2 + 56776^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421020201 - 2³ = 4421020193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35476 + ... + 100501.

It is an arithmetic number, because the mean of its divisors is an integer number (309825873).

Almost surely, 2^4421020201 is an apocalyptic number.

4421020201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4421020201 is a deficient number, since it is larger than the sum of its proper divisors (536193767).

4421020201 is a wasteful number, since it uses less digits than its factorization.

4421020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136092.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4421020201 is about 66490.7527480326. The cubic root of 4421020201 is about 1641.2478358805.

Adding to 4421020201 its reverse (1020201244), we get a palindrome (5441221445).

The spelling of 4421020201 in words is "four billion, four hundred twenty-one million, twenty thousand, two hundred one".