2920278720 has 224 divisors, whose sum is σ = 10185684480. Its totient is φ = 705576960.

The previous prime is 2920278671. The next prime is 2920278791. The reversal of 2920278720 is 278720292.

2920278720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416040 + ... + 423000.

Almost surely, 2^2920278720 is an apocalyptic number.

2920278720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920278720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5092842240).

2920278720 is an abundant number, since it is smaller than the sum of its proper divisors (7265405760).

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

2920278720 is a wasteful number, since it uses less digits than its factorization.

2920278720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7023 (or 7013 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2920278720 is about 54039.6032553904. The cubic root of 2920278720 is about 1429.3593752990.

The spelling of 2920278720 in words is "two billion, nine hundred twenty million, two hundred seventy-eight thousand, seven hundred twenty".