720215852 has 12 divisors (see below), whose sum is σ = 1260670320. Its totient is φ = 360024336.

The previous prime is 720215809. The next prime is 720215879. The reversal of 720215852 is 258512027.

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, 1049 + ... + 37967.

It is an arithmetic number, because the mean of its divisors is an integer number (105055860).

Almost surely, 2^720215852 is an apocalyptic number.

It is an amenable number.

720215852 is a deficient number, since it is larger than the sum of its proper divisors (540454468).

720215852 is a wasteful number, since it uses less digits than its factorization.

720215852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41800 (or 41798 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 720215852 is about 26836.8375931293. The cubic root of 720215852 is about 896.3705070455.

Adding to 720215852 its reverse (258512027), we get a palindrome (978727879).

The spelling of 720215852 in words is "seven hundred twenty million, two hundred fifteen thousand, eight hundred fifty-two".