4423541220 has 120 divisors (see below), whose sum is σ = 15859255104. Its totient is φ = 1011092544.

The previous prime is 4423541197. The next prime is 4423541231. The reversal of 4423541220 is 221453244.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183702 + ... + 206381.

Almost surely, 2^4423541220 is an apocalyptic number.

It is an amenable number.

4423541220 is an abundant number, since it is smaller than the sum of its proper divisors (11435713884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4423541220 is a wasteful number, since it uses less digits than its factorization.

4423541220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390111 (or 390100 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4423541220 is about 66509.7077124836. The cubic root of 4423541220 is about 1641.5597420747.

Adding to 4423541220 its reverse (221453244), we get a palindrome (4644994464).

The spelling of 4423541220 in words is "four billion, four hundred twenty-three million, five hundred forty-one thousand, two hundred twenty".