52231064020 has 24 divisors (see below), whose sum is σ = 109732347144. Its totient is φ = 20883451776.

The previous prime is 52231064009. The next prime is 52231064033. The reversal of 52231064020 is 2046013225.

It can be written as a sum of positive squares in 4 ways, for example, as 11283113284 + 40947950736 = 106222^2 + 202356^2 .

It is a super-2 number, since 2×52231064020² (a number of 22 digits) contains 22 as substring.

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, 513039 + ... + 606358.

It is an arithmetic number, because the mean of its divisors is an integer number (4572181131).

Almost surely, 2^52231064020 is an apocalyptic number.

It is an amenable number.

52231064020 is an abundant number, since it is smaller than the sum of its proper divisors (57501283124).

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

52231064020 is a wasteful number, since it uses less digits than its factorization.

52231064020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121739 (or 1121737 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 52231064020 its reverse (2046013225), we get a palindrome (54277077245).

The spelling of 52231064020 in words is "fifty-two billion, two hundred thirty-one million, sixty-four thousand, twenty".