2120016544 has 24 divisors (see below), whose sum is σ = 4224074400. Its totient is φ = 1047235776.

The previous prime is 2120016539. The next prime is 2120016553. The reversal of 2120016544 is 4456100212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396444 + ... + 401755.

It is an arithmetic number, because the mean of its divisors is an integer number (176003100).

Almost surely, 2^2120016544 is an apocalyptic number.

It is an amenable number.

2120016544 is a deficient number, since it is larger than the sum of its proper divisors (2104057856).

2120016544 is an equidigital number, since it uses as much as digits as its factorization.

2120016544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798292 (or 798284 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2120016544 is about 46043.6373888945. The cubic root of 2120016544 is about 1284.6349993620.

Adding to 2120016544 its reverse (4456100212), we get a palindrome (6576116756).

The spelling of 2120016544 in words is "two billion, one hundred twenty million, sixteen thousand, five hundred forty-four".