20113252 has 12 divisors (see below), whose sum is σ = 35680876. Its totient is φ = 9918720.

The previous prime is 20113231. The next prime is 20113253. The reversal of 20113252 is 25231102.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 16208676 = 1976^2 + 4026^2 .

It is not an unprimeable number, because it can be changed into a prime (20113253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34149 + ... + 34732.

Almost surely, 2^20113252 is an apocalyptic number.

It is an amenable number.

20113252 is a deficient number, since it is larger than the sum of its proper divisors (15567624).

20113252 is a wasteful number, since it uses less digits than its factorization.

20113252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68958 (or 68956 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20113252 is about 4484.7800391992. The cubic root of 20113252 is about 271.9531529757.

Adding to 20113252 its reverse (25231102), we get a palindrome (45344354).

The spelling of 20113252 in words is "twenty million, one hundred thirteen thousand, two hundred fifty-two".