20231252 has 12 divisors (see below), whose sum is σ = 35495796. Its totient is φ = 10089600.

The previous prime is 20231243. The next prime is 20231269. The reversal of 20231252 is 25213202.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 4343056 = 3986^2 + 2084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20231252.

It is a congruent number.

It is an unprimeable number.

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, 4703 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (2957983).

Almost surely, 2^20231252 is an apocalyptic number.

It is an amenable number.

20231252 is a deficient number, since it is larger than the sum of its proper divisors (15264544).

20231252 is a wasteful number, since it uses less digits than its factorization.

20231252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018 (or 13016 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20231252 is about 4497.9164065154. The cubic root of 20231252 is about 272.4839459723.

Adding to 20231252 its reverse (25213202), we get a palindrome (45444454).

The spelling of 20231252 in words is "twenty million, two hundred thirty-one thousand, two hundred fifty-two".