1489218020 has 48 divisors (see below), whose sum is σ = 3316360320. Its totient is φ = 559793664.

The previous prime is 1489217999. The next prime is 1489218109. The reversal of 1489218020 is 208129841.

It is a super-2 number, since 2×1489218020² = 4435540622185440800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248297 + ... + 254223.

It is an arithmetic number, because the mean of its divisors is an integer number (69090840).

Almost surely, 2^1489218020 is an apocalyptic number.

1489218020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489218020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658180160).

1489218020 is an abundant number, since it is smaller than the sum of its proper divisors (1827142300).

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

1489218020 is a wasteful number, since it uses less digits than its factorization.

1489218020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692 (or 6690 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1489218020 is about 38590.3876632511. The cubic root of 1489218020 is about 1141.9649143775.

The spelling of 1489218020 in words is "one billion, four hundred eighty-nine million, two hundred eighteen thousand, twenty".