2420013421 has 6 divisors (see below), whose sum is σ = 2815117710. Its totient is φ = 2074297176.

The previous prime is 2420013403. The next prime is 2420013433. The reversal of 2420013421 is 1243100242.

It can be written as a sum of positive squares in only one way, i.e., 2399628196 + 20385225 = 48986^2 + 4515^2 .

It is not a de Polignac number, because 2420013421 - 2⁵ = 2420013389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420413421) 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 5 ways as a sum of consecutive naturals, for example, 24693966 + ... + 24694063.

It is an arithmetic number, because the mean of its divisors is an integer number (469186285).

Almost surely, 2^2420013421 is an apocalyptic number.

It is an amenable number.

2420013421 is a deficient number, since it is larger than the sum of its proper divisors (395104289).

2420013421 is an equidigital number, since it uses as much as digits as its factorization.

2420013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49388043 (or 49388036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2420013421 is about 49193.6319151168. The cubic root of 2420013421 is about 1342.5771708266.

Adding to 2420013421 its reverse (1243100242), we get a palindrome (3663113663).

The spelling of 2420013421 in words is "two billion, four hundred twenty million, thirteen thousand, four hundred twenty-one".