20152675 has 6 divisors (see below), whose sum is σ = 24989348. Its totient is φ = 16122120.

The previous prime is 20152621. The next prime is 20152703. The reversal of 20152675 is 57625102.

It is a de Polignac number, because none of the positive numbers 2^k-20152675 is a prime.

It is a super-2 number, since 2×20152675² = 812260619311250, which contains 22 as substring.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 403029 + ... + 403078.

Almost surely, 2^20152675 is an apocalyptic number.

20152675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20152675 is a deficient number, since it is larger than the sum of its proper divisors (4836673).

20152675 is an equidigital number, since it uses as much as digits as its factorization.

20152675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806117 (or 806112 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 20152675 is about 4489.1730864381. The cubic root of 20152675 is about 272.1307176988.

Adding to 20152675 its reverse (57625102), we get a palindrome (77777777).

It can be divided in two parts, 201526 and 75, that added together give a square (201601 = 449²).

The spelling of 20152675 in words is "twenty million, one hundred fifty-two thousand, six hundred seventy-five".