4420201020 has 96 divisors (see below), whose sum is σ = 12578146560. Its totient is φ = 1159656960.

The previous prime is 4420201001. The next prime is 4420201031. The reversal of 4420201020 is 201020244.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1124779 + ... + 1128701.

It is an arithmetic number, because the mean of its divisors is an integer number (131022360).

Almost surely, 2^4420201020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289073280).

4420201020 is an abundant number, since it is smaller than the sum of its proper divisors (8157945540).

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

4420201020 is a wasteful number, since it uses less digits than its factorization.

4420201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4420201020 is about 66484.5923504085. The cubic root of 4420201020 is about 1641.1464594235.

Adding to 4420201020 its reverse (201020244), we get a palindrome (4621221264).

The spelling of 4420201020 in words is "four billion, four hundred twenty million, two hundred one thousand, twenty".