2516372020 has 12 divisors (see below), whose sum is σ = 5284381284. Its totient is φ = 1006548800.

The previous prime is 2516372003. The next prime is 2516372029. The reversal of 2516372020 is 202736152.

It can be written as a sum of positive squares in 2 ways, for example, as 459930916 + 2056441104 = 21446^2 + 45348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2516372020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516372029) 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, 62909281 + ... + 62909320.

It is an arithmetic number, because the mean of its divisors is an integer number (440365107).

Almost surely, 2^2516372020 is an apocalyptic number.

2516372020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516372020 is an abundant number, since it is smaller than the sum of its proper divisors (2768009264).

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

2516372020 is a wasteful number, since it uses less digits than its factorization.

2516372020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125818610 (or 125818608 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2516372020 is about 50163.4530310664. The cubic root of 2516372020 is about 1360.1650643078.

The spelling of 2516372020 in words is "two billion, five hundred sixteen million, three hundred seventy-two thousand, twenty".