489112020 has 120 divisors (see below), whose sum is σ = 1601195904. Its totient is φ = 124749504.

The previous prime is 489111979. The next prime is 489112021. The reversal of 489112020 is 20211984.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489112021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30697 + ... + 43823.

Almost surely, 2^489112020 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 489112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800597952).

489112020 is an abundant number, since it is smaller than the sum of its proper divisors (1112083884).

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

489112020 is a wasteful number, since it uses less digits than its factorization.

489112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13171 (or 13160 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 489112020 is about 22115.8771022087. The cubic root of 489112020 is about 787.8969971098.

The spelling of 489112020 in words is "four hundred eighty-nine million, one hundred twelve thousand, twenty".