56722066220 has 24 divisors (see below), whose sum is σ = 119453793984. Its totient is φ = 22624549376.

The previous prime is 56722066213. The next prime is 56722066223. The reversal of 56722066220 is 2266022765.

It is not an unprimeable number, because it can be changed into a prime (56722066223) 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 7 ways as a sum of consecutive naturals, for example, 4010084 + ... + 4024203.

It is an arithmetic number, because the mean of its divisors is an integer number (4977241416).

Almost surely, 2^56722066220 is an apocalyptic number.

It is an amenable number.

56722066220 is an abundant number, since it is smaller than the sum of its proper divisors (62731727764).

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

56722066220 is a wasteful number, since it uses less digits than its factorization.

56722066220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034649 (or 8034647 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 56722066220 its reverse (2266022765), we get a palindrome (58988088985).

The spelling of 56722066220 in words is "fifty-six billion, seven hundred twenty-two million, sixty-six thousand, two hundred twenty".