52030220 has 48 divisors (see below), whose sum is σ = 120911616. Its totient is φ = 18648000.

The previous prime is 52030211. The next prime is 52030247. The reversal of 52030220 is 2203025.

52030220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52030195 and 52030204.

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 15 ways as a sum of consecutive naturals, for example, 13955 + ... + 17285.

It is an arithmetic number, because the mean of its divisors is an integer number (2518992).

Almost surely, 2^52030220 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 52030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60455808).

52030220 is an abundant number, since it is smaller than the sum of its proper divisors (68881396).

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

52030220 is a wasteful number, since it uses less digits than its factorization.

52030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 52030220 is about 7213.1976265731. The cubic root of 52030220 is about 373.3234071199.

Adding to 52030220 its reverse (2203025), we get a palindrome (54233245).

The spelling of 52030220 in words is "fifty-two million, thirty thousand, two hundred twenty".