2420221413 has 4 divisors (see below), whose sum is σ = 3226961888. Its totient is φ = 1613480940.

The previous prime is 2420221399. The next prime is 2420221423. The reversal of 2420221413 is 3141220242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2420221413 - 2⁵ = 2420221381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420221413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420221423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 403370233 + ... + 403370238.

It is an arithmetic number, because the mean of its divisors is an integer number (806740472).

Almost surely, 2^2420221413 is an apocalyptic number.

It is an amenable number.

2420221413 is a deficient number, since it is larger than the sum of its proper divisors (806740475).

2420221413 is an equidigital number, since it uses as much as digits as its factorization.

2420221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806740474.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2420221413 is about 49195.7458831554. The cubic root of 2420221413 is about 1342.6156330529.

Adding to 2420221413 its reverse (3141220242), we get a palindrome (5561441655).

The spelling of 2420221413 in words is "two billion, four hundred twenty million, two hundred twenty-one thousand, four hundred thirteen".