2720768420 has 24 divisors (see below), whose sum is σ = 5721503424. Its totient is φ = 1086804576.

The previous prime is 2720768419. The next prime is 2720768443. The reversal of 2720768420 is 248670272.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 79022 + ... + 108101.

It is an arithmetic number, because the mean of its divisors is an integer number (238395976).

Almost surely, 2^2720768420 is an apocalyptic number.

2720768420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720768420 is an abundant number, since it is smaller than the sum of its proper divisors (3000735004).

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

2720768420 is a wasteful number, since it uses less digits than its factorization.

2720768420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187859 (or 187857 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 2720768420 is about 52160.9856118536. The cubic root of 2720768420 is about 1396.0378482800.

The spelling of 2720768420 in words is "two billion, seven hundred twenty million, seven hundred sixty-eight thousand, four hundred twenty".