1489331020 has 24 divisors (see below), whose sum is σ = 3128331024. Its totient is φ = 595592256.

The previous prime is 1489330991. The next prime is 1489331021. The reversal of 1489331020 is 201339841.

It is not an unprimeable number, because it can be changed into a prime (1489331021) 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, 139927 + ... + 150193.

It is an arithmetic number, because the mean of its divisors is an integer number (130347126).

Almost surely, 2^1489331020 is an apocalyptic number.

1489331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489331020 is an abundant number, since it is smaller than the sum of its proper divisors (1639000004).

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

1489331020 is a wasteful number, since it uses less digits than its factorization.

1489331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529 (or 17527 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1489331020 is about 38591.8517306439. The cubic root of 1489331020 is about 1141.9937972699.

The spelling of 1489331020 in words is "one billion, four hundred eighty-nine million, three hundred thirty-one thousand, twenty".