2516704020 has 120 divisors (see below), whose sum is σ = 7917756000. Its totient is φ = 669187008.

The previous prime is 2516703991. The next prime is 2516704039. The reversal of 2516704020 is 204076152.

2516704020 is a `hidden beast` number, since 251 + 6 + 7 + 0 + 402 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 611931 + ... + 616029.

It is an arithmetic number, because the mean of its divisors is an integer number (65981300).

Almost surely, 2^2516704020 is an apocalyptic number.

2516704020 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 2516704020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958878000).

2516704020 is an abundant number, since it is smaller than the sum of its proper divisors (5401051980).

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

2516704020 is a wasteful number, since it uses less digits than its factorization.

2516704020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2516704020 is about 50166.7621040067. The cubic root of 2516704020 is about 1360.2248799126.

The spelling of 2516704020 in words is "two billion, five hundred sixteen million, seven hundred four thousand, twenty".