2016720338720 has 48 divisors (see below), whose sum is σ = 5044766618808. Its totient is φ = 759235891200.

The previous prime is 2016720338681. The next prime is 2016720338779. The reversal of 2016720338720 is 278330276102.

It can be written as a sum of positive squares in 4 ways, for example, as 1442756517904 + 573963820816 = 1201148^2 + 757604^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370717931 + ... + 370723370.

Almost surely, 2^{2016720338720} is an apocalyptic number.

2016720338720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016720338720 is an abundant number, since it is smaller than the sum of its proper divisors (3028046280088).

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

2016720338720 is a wasteful number, since it uses less digits than its factorization.

2016720338720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741441333 (or 741441325 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 2016720338720 in words is "two trillion, sixteen billion, seven hundred twenty million, three hundred thirty-eight thousand, seven hundred twenty".