52205020 has 48 divisors (see below), whose sum is σ = 127366848. Its totient is φ = 17602560.

The previous prime is 52205003. The next prime is 52205033. The reversal of 52205020 is 2050225.

It is a super-2 number, since 2×52205020² = 5450728226400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52204985 and 52205003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5484 + ... + 11596.

It is an arithmetic number, because the mean of its divisors is an integer number (2653476).

Almost surely, 2^52205020 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 52205020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63683424).

52205020 is an abundant number, since it is smaller than the sum of its proper divisors (75161828).

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

52205020 is a wasteful number, since it uses less digits than its factorization.

52205020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190 (or 6188 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 52205020 is about 7225.3041458474. The cubic root of 52205020 is about 373.7410105107.

Adding to 52205020 its reverse (2050225), we get a palindrome (54255245).

The spelling of 52205020 in words is "fifty-two million, two hundred five thousand, twenty".