1679410020 has 96 divisors (see below), whose sum is σ = 4947497856. Its totient is φ = 425088000.

The previous prime is 1679410009. The next prime is 1679410049. The reversal of 1679410020 is 200149761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1679410020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81795 + ... + 100245.

It is an arithmetic number, because the mean of its divisors is an integer number (51536436).

Almost surely, 2^1679410020 is an apocalyptic number.

1679410020 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 1679410020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473748928).

1679410020 is an abundant number, since it is smaller than the sum of its proper divisors (3268087836).

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

1679410020 is a wasteful number, since it uses less digits than its factorization.

1679410020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541 (or 18539 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1679410020 is about 40980.6054128047. The cubic root of 1679410020 is about 1188.6452157249.

Adding to 1679410020 its reverse (200149761), we get a palindrome (1879559781).

The spelling of 1679410020 in words is "one billion, six hundred seventy-nine million, four hundred ten thousand, twenty".