2920565824 has 56 divisors (see below), whose sum is σ = 6383901888. Its totient is φ = 1314608640.

The previous prime is 2920565821. The next prime is 2920565827. The reversal of 2920565824 is 4285650292.

It is an interprime number because it is at equal distance from previous prime (2920565821) and next prime (2920565827).

It is not an unprimeable number, because it can be changed into a prime (2920565821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52374 + ... + 92650.

It is an arithmetic number, because the mean of its divisors is an integer number (113998248).

Almost surely, 2^2920565824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920565824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3191950944).

2920565824 is an abundant number, since it is smaller than the sum of its proper divisors (3463336064).

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

2920565824 is a wasteful number, since it uses less digits than its factorization.

2920565824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40403 (or 40393 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2920565824 is about 54042.2596122701. The cubic root of 2920565824 is about 1429.4062157305.

The spelling of 2920565824 in words is "two billion, nine hundred twenty million, five hundred sixty-five thousand, eight hundred twenty-four".