4401020020 has 12 divisors (see below), whose sum is σ = 9242142084. Its totient is φ = 1760408000.

The previous prime is 4401020017. The next prime is 4401020051. The reversal of 4401020020 is 200201044.

It can be written as a sum of positive squares in 2 ways, for example, as 1271065104 + 3129954916 = 35652^2 + 55946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110025481 + ... + 110025520.

It is an arithmetic number, because the mean of its divisors is an integer number (770178507).

Almost surely, 2^4401020020 is an apocalyptic number.

It is an amenable number.

4401020020 is an abundant number, since it is smaller than the sum of its proper divisors (4841122064).

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

4401020020 is a wasteful number, since it uses less digits than its factorization.

4401020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220051010 (or 220051008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4401020020 is about 66340.1840515988. The cubic root of 4401020020 is about 1638.7691562787.

Adding to 4401020020 its reverse (200201044), we get a palindrome (4601221064).

The spelling of 4401020020 in words is "four billion, four hundred one million, twenty thousand, twenty".