448420020 has 96 divisors (see below), whose sum is σ = 1307647488. Its totient is φ = 114711552.

The previous prime is 448419971. The next prime is 448420031. The reversal of 448420020 is 20024844.

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, 160677 + ... + 163443.

It is an arithmetic number, because the mean of its divisors is an integer number (13621328).

Almost surely, 2^448420020 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 448420020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653823744).

448420020 is an abundant number, since it is smaller than the sum of its proper divisors (859227468).

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

448420020 is a wasteful number, since it uses less digits than its factorization.

448420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 448420020 is about 21175.9302038895. The cubic root of 448420020 is about 765.4115262012.

Adding to 448420020 its reverse (20024844), we get a palindrome (468444864).

The spelling of 448420020 in words is "four hundred forty-eight million, four hundred twenty thousand, twenty".