52700220660 has 96 divisors (see below), whose sum is σ = 156474847872. Its totient is φ = 13206896640.

The previous prime is 52700220653. The next prime is 52700220707. The reversal of 52700220660 is 6602200725.

It is a super-2 number, since 2×52700220660² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 648075 + ... + 724845.

It is an arithmetic number, because the mean of its divisors is an integer number (1629946332).

Almost surely, 2^52700220660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52700220660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78237423936).

52700220660 is an abundant number, since it is smaller than the sum of its proper divisors (103774627212).

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

52700220660 is a wasteful number, since it uses less digits than its factorization.

52700220660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77473 (or 77471 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 52700220660 in words is "fifty-two billion, seven hundred million, two hundred twenty thousand, six hundred sixty".