2420120515 has 4 divisors (see below), whose sum is σ = 2904144624. Its totient is φ = 1936096408.

The previous prime is 2420120501. The next prime is 2420120519. The reversal of 2420120515 is 5150210242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2420120515 - 2⁷ = 2420120387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420120519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242012047 + ... + 242012056.

It is an arithmetic number, because the mean of its divisors is an integer number (726036156).

Almost surely, 2^2420120515 is an apocalyptic number.

2420120515 is a deficient number, since it is larger than the sum of its proper divisors (484024109).

2420120515 is an equidigital number, since it uses as much as digits as its factorization.

2420120515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484024108.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2420120515 is about 49194.7203976199. The cubic root of 2420120515 is about 1342.5969751023.

Adding to 2420120515 its reverse (5150210242), we get a palindrome (7570330757).

The spelling of 2420120515 in words is "two billion, four hundred twenty million, one hundred twenty thousand, five hundred fifteen".