2820896320 has 112 divisors (see below), whose sum is σ = 7498738368. Its totient is φ = 1001871360.

The previous prime is 2820896311. The next prime is 2820896399. The reversal of 2820896320 is 236980282.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142042 + ... + 160678.

Almost surely, 2^2820896320 is an apocalyptic number.

2820896320 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 2820896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749369184).

2820896320 is an abundant number, since it is smaller than the sum of its proper divisors (4677842048).

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

2820896320 is a wasteful number, since it uses less digits than its factorization.

2820896320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18708 (or 18698 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2820896320 is about 53112.1108599536. The cubic root of 2820896320 is about 1412.9573126491.

The spelling of 2820896320 in words is "two billion, eight hundred twenty million, eight hundred ninety-six thousand, three hundred twenty".