2920280872 has 16 divisors (see below), whose sum is σ = 5529741300. Its totient is φ = 1445683200.

The previous prime is 2920280863. The next prime is 2920280873. The reversal of 2920280872 is 2780820292.

It can be written as a sum of positive squares in 2 ways, for example, as 2916648036 + 3632836 = 54006^2 + 1906^2 .

It is not an unprimeable number, because it can be changed into a prime (2920280873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806297 + ... + 1807912.

Almost surely, 2^2920280872 is an apocalyptic number.

It is an amenable number.

2920280872 is a deficient number, since it is larger than the sum of its proper divisors (2609460428).

2920280872 is a wasteful number, since it uses less digits than its factorization.

2920280872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614316 (or 3614312 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2920280872 is about 54039.6231667098. The cubic root of 2920280872 is about 1429.3597264048.

The spelling of 2920280872 in words is "two billion, nine hundred twenty million, two hundred eighty thousand, eight hundred seventy-two".