2020660260 has 96 divisors (see below), whose sum is σ = 6161097600. Its totient is φ = 492871680.

The previous prime is 2020660247. The next prime is 2020660333. The reversal of 2020660260 is 620660202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020660260.

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, 2500 + ... + 63620.

It is an arithmetic number, because the mean of its divisors is an integer number (64178100).

Almost surely, 2^2020660260 is an apocalyptic number.

2020660260 is a gapful number since it is divisible by the number (20) 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 2020660260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080548800).

2020660260 is an abundant number, since it is smaller than the sum of its proper divisors (4140437340).

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

2020660260 is a wasteful number, since it uses less digits than its factorization.

2020660260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61181 (or 61179 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2020660260 is about 44951.7548044567. The cubic root of 2020660260 is about 1264.2445791006.

The spelling of 2020660260 in words is "two billion, twenty million, six hundred sixty thousand, two hundred sixty".