441530402020 has 24 divisors (see below), whose sum is σ = 929840527224. Its totient is φ = 176111840256.

The previous prime is 441530401999. The next prime is 441530402029. The reversal of 441530402020 is 20204035144.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84927947776 + 356602454244 = 291424^2 + 597162^2 .

It is not an unprimeable number, because it can be changed into a prime (441530402029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31262799 + ... + 31276918.

It is an arithmetic number, because the mean of its divisors is an integer number (38743355301).

Almost surely, 2^441530402020 is an apocalyptic number.

It is an amenable number.

441530402020 is an abundant number, since it is smaller than the sum of its proper divisors (488310125204).

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

441530402020 is a wasteful number, since it uses less digits than its factorization.

441530402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62540079 (or 62540077 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 441530402020 its reverse (20204035144), we get a palindrome (461734437164).

The spelling of 441530402020 in words is "four hundred forty-one billion, five hundred thirty million, four hundred two thousand, twenty".