652130763220 has 12 divisors (see below), whose sum is σ = 1369474602804. Its totient is φ = 260852305280.

The previous prime is 652130763209. The next prime is 652130763233. The reversal of 652130763220 is 22367031256.

It can be written as a sum of positive squares in 2 ways, for example, as 130295009296 + 521835753924 = 360964^2 + 722382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 652130763220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16303269061 + ... + 16303269100.

It is an arithmetic number, because the mean of its divisors is an integer number (114122883567).

Almost surely, 2^652130763220 is an apocalyptic number.

It is an amenable number.

652130763220 is an abundant number, since it is smaller than the sum of its proper divisors (717343839584).

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

652130763220 is a wasteful number, since it uses less digits than its factorization.

652130763220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32606538170 (or 32606538168 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 652130763220 its reverse (22367031256), we get a palindrome (674497794476).

The spelling of 652130763220 in words is "six hundred fifty-two billion, one hundred thirty million, seven hundred sixty-three thousand, two hundred twenty".