2420206660 has 24 divisors (see below), whose sum is σ = 5121236736. Its totient is φ = 960691680.

The previous prime is 2420206627. The next prime is 2420206669. The reversal of 2420206660 is 666020242.

It is not an unprimeable number, because it can be changed into a prime (2420206669) 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, 459252 + ... + 464491.

It is an arithmetic number, because the mean of its divisors is an integer number (213384864).

Almost surely, 2^2420206660 is an apocalyptic number.

2420206660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420206660 is an abundant number, since it is smaller than the sum of its proper divisors (2701030076).

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

2420206660 is a wasteful number, since it uses less digits than its factorization.

2420206660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923883 (or 923881 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2420206660 is about 49195.5959411003. The cubic root of 2420206660 is about 1342.6129049762.

The spelling of 2420206660 in words is "two billion, four hundred twenty million, two hundred six thousand, six hundred sixty".