2420104221 has 24 divisors (see below), whose sum is σ = 3522714624. Its totient is φ = 1600982880.

The previous prime is 2420104217. The next prime is 2420104231. The reversal of 2420104221 is 1224010242.

2420104221 is a `hidden beast` number, since 242 + 0 + 1 + 0 + 422 + 1 = 666.

It is not a de Polignac number, because 2420104221 - 2² = 2420104217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2420104194 and 2420104203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420104231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 762580 + ... + 765746.

It is an arithmetic number, because the mean of its divisors is an integer number (146779776).

Almost surely, 2^2420104221 is an apocalyptic number.

It is an amenable number.

2420104221 is a deficient number, since it is larger than the sum of its proper divisors (1102610403).

2420104221 is a wasteful number, since it uses less digits than its factorization.

2420104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2420104221 is about 49194.5547901391. The cubic root of 2420104221 is about 1342.5939619845.

Adding to 2420104221 its reverse (1224010242), we get a palindrome (3644114463).

The spelling of 2420104221 in words is "two billion, four hundred twenty million, one hundred four thousand, two hundred twenty-one".