2420776780 has 12 divisors (see below), whose sum is σ = 5083631280. Its totient is φ = 968310704.

The previous prime is 2420776753. The next prime is 2420776781. The reversal of 2420776780 is 876770242.

It is not an unprimeable number, because it can be changed into a prime (2420776781) 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, 60519400 + ... + 60519439.

It is an arithmetic number, because the mean of its divisors is an integer number (423635940).

Almost surely, 2^2420776780 is an apocalyptic number.

2420776780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420776780 is an abundant number, since it is smaller than the sum of its proper divisors (2662854500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2420776780 is a wasteful number, since it uses less digits than its factorization.

2420776780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121038848 (or 121038846 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 2420776780 is about 49201.3900210147. The cubic root of 2420776780 is about 1342.7183216451.

The spelling of 2420776780 in words is "two billion, four hundred twenty million, seven hundred seventy-six thousand, seven hundred eighty".