52680220 has 12 divisors (see below), whose sum is σ = 110628504. Its totient is φ = 21072080.

The previous prime is 52680197. The next prime is 52680233. The reversal of 52680220 is 2208625.

52680220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316986 + ... + 1317025.

It is an arithmetic number, because the mean of its divisors is an integer number (9219042).

Almost surely, 2^52680220 is an apocalyptic number.

It is an amenable number.

52680220 is an abundant number, since it is smaller than the sum of its proper divisors (57948284).

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

52680220 is a wasteful number, since it uses less digits than its factorization.

52680220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634020 (or 2634018 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52680220 is about 7258.1140801175. The cubic root of 52680220 is about 374.8715886257.

Adding to 52680220 its reverse (2208625), we get a palindrome (54888845).

It can be divided in two parts, 52680 and 220, that added together give a square (52900 = 230²).

The spelling of 52680220 in words is "fifty-two million, six hundred eighty thousand, two hundred twenty".