2420028287 has 4 divisors (see below), whose sum is σ = 2420130936. Its totient is φ = 2419925640.

The previous prime is 2420028277. The next prime is 2420028293. The reversal of 2420028287 is 7828200242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2420028287 - 2¹⁰ = 2420027263 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 (2420028257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 69669.

It is an arithmetic number, because the mean of its divisors is an integer number (605032734).

Almost surely, 2^2420028287 is an apocalyptic number.

2420028287 is a deficient number, since it is larger than the sum of its proper divisors (102649).

2420028287 is an equidigital number, since it uses as much as digits as its factorization.

2420028287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102648.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 2420028287 is about 49193.7830116774. The cubic root of 2420028287 is about 1342.5799199452.

The spelling of 2420028287 in words is "two billion, four hundred twenty million, twenty-eight thousand, two hundred eighty-seven".