52101020 has 24 divisors (see below), whose sum is σ = 109620000. Its totient is φ = 20800832.

The previous prime is 52101017. The next prime is 52101083. The reversal of 52101020 is 2010125.

It is a junction number, because it is equal to n+sod(n) for n = 52100992 and 52101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (4567500).

Almost surely, 2^52101020 is an apocalyptic number.

It is an amenable number.

52101020 is an abundant number, since it is smaller than the sum of its proper divisors (57518980).

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

52101020 is a wasteful number, since it uses less digits than its factorization.

52101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 52101020 is about 7218.1036290704. The cubic root of 52101020 is about 373.4926633553.

Adding to 52101020 its reverse (2010125), we get a palindrome (54111145).

The spelling of 52101020 in words is "fifty-two million, one hundred one thousand, twenty".