2420221241 has 4 divisors (see below), whose sum is σ = 2461242000. Its totient is φ = 2379200484.

The previous prime is 2420221213. The next prime is 2420221249. The reversal of 2420221241 is 1421220242.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420221241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420221249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20510291 + ... + 20510408.

It is an arithmetic number, because the mean of its divisors is an integer number (615310500).

Almost surely, 2^2420221241 is an apocalyptic number.

It is an amenable number.

2420221241 is a deficient number, since it is larger than the sum of its proper divisors (41020759).

2420221241 is an equidigital number, since it uses as much as digits as its factorization.

2420221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41020758.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2420221241 is about 49195.7441350367. The cubic root of 2420221241 is about 1342.6156012473.

Adding to 2420221241 its reverse (1421220242), we get a palindrome (3841441483).

Subtracting from 2420221241 its reverse (1421220242), we obtain a palindrome (999000999).

The spelling of 2420221241 in words is "two billion, four hundred twenty million, two hundred twenty-one thousand, two hundred forty-one".