2420899868 has 24 divisors (see below), whose sum is σ = 4504193568. Its totient is φ = 1135973696.

The previous prime is 2420899867. The next prime is 2420899879. The reversal of 2420899868 is 8689980242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420899861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243371 + ... + 253122.

It is an arithmetic number, because the mean of its divisors is an integer number (187674732).

Almost surely, 2^2420899868 is an apocalyptic number.

It is an amenable number.

2420899868 is a deficient number, since it is larger than the sum of its proper divisors (2083293700).

2420899868 is a wasteful number, since it uses less digits than its factorization.

2420899868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496573 (or 496571 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 2420899868 is about 49202.6408640837. The cubic root of 2420899868 is about 1342.7410787635.

The spelling of 2420899868 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, eight hundred sixty-eight".