52005020 has 12 divisors (see below), whose sum is σ = 109210584. Its totient is φ = 20802000.

The previous prime is 52005013. The next prime is 52005029. The reversal of 52005020 is 2050025.

It is a junction number, because it is equal to n+sod(n) for n = 52004986 and 52005004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52005029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300106 + ... + 1300145.

It is an arithmetic number, because the mean of its divisors is an integer number (9100882).

Almost surely, 2^52005020 is an apocalyptic number.

It is an amenable number.

52005020 is an abundant number, since it is smaller than the sum of its proper divisors (57205564).

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

52005020 is a wasteful number, since it uses less digits than its factorization.

52005020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600260 (or 2600258 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 52005020 is about 7211.4506169009. The cubic root of 52005020 is about 373.2631263247.

Adding to 52005020 its reverse (2050025), we get a palindrome (54055045).

The spelling of 52005020 in words is "fifty-two million, five thousand, twenty".