720527220522 has 48 divisors (see below), whose sum is σ = 1565186082720. Its totient is φ = 239553871200.

The previous prime is 720527220493. The next prime is 720527220619. The reversal of 720527220522 is 225022725027.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54698997 + ... + 54712167.

It is an arithmetic number, because the mean of its divisors is an integer number (32608043390).

Almost surely, 2^720527220522 is an apocalyptic number.

720527220522 is an abundant number, since it is smaller than the sum of its proper divisors (844658862198).

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

720527220522 is a wasteful number, since it uses less digits than its factorization.

720527220522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20819 (or 20816 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

Adding to 720527220522 its reverse (225022725027), we get a palindrome (945549945549).

The spelling of 720527220522 in words is "seven hundred twenty billion, five hundred twenty-seven million, two hundred twenty thousand, five hundred twenty-two".