20052512 has 24 divisors (see below), whose sum is σ = 39847500. Its totient is φ = 9932544.

The previous prime is 20052479. The next prime is 20052521. The reversal of 20052512 is 21525002.

It can be written as a sum of positive squares in 2 ways, for example, as 19044496 + 1008016 = 4364^2 + 1004^2 .

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, 614 + ... + 6362.

Almost surely, 2^20052512 is an apocalyptic number.

It is an amenable number.

20052512 is a deficient number, since it is larger than the sum of its proper divisors (19794988).

20052512 is a wasteful number, since it uses less digits than its factorization.

20052512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868 (or 5860 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20052512 is about 4478.0031263946. The cubic root of 20052512 is about 271.6791198744.

Adding to 20052512 its reverse (21525002), we get a palindrome (41577514).

The spelling of 20052512 in words is "twenty million, fifty-two thousand, five hundred twelve".