5201605720 has 64 divisors (see below), whose sum is σ = 11827454400. Its totient is φ = 2058739200.

The previous prime is 5201605711. The next prime is 5201605819. The reversal of 5201605720 is 275061025.

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 15 ways as a sum of consecutive naturals, for example, 1671526 + ... + 1674634.

It is an arithmetic number, because the mean of its divisors is an integer number (184803975).

Almost surely, 2^5201605720 is an apocalyptic number.

It is an amenable number.

5201605720 is an abundant number, since it is smaller than the sum of its proper divisors (6625848680).

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

5201605720 is a wasteful number, since it uses less digits than its factorization.

5201605720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5201605720 is about 72122.1583149035. The cubic root of 5201605720 is about 1732.6565176447.

Adding to 5201605720 its reverse (275061025), we get a palindrome (5476666745).

The spelling of 5201605720 in words is "five billion, two hundred one million, six hundred five thousand, seven hundred twenty".