20236275 has 18 divisors (see below), whose sum is σ = 36245820. Its totient is φ = 10792560.

The previous prime is 20236261. The next prime is 20236277. The reversal of 20236275 is 57263202.

It is not a de Polignac number, because 20236275 - 2¹⁰ = 20235251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20236277) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44745 + ... + 45194.

Almost surely, 2^20236275 is an apocalyptic number.

20236275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20236275 is a deficient number, since it is larger than the sum of its proper divisors (16009545).

20236275 is a wasteful number, since it uses less digits than its factorization.

20236275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89955 (or 89947 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20236275 is about 4498.4747415096. The cubic root of 20236275 is about 272.5064948091.

Adding to 20236275 its reverse (57263202), we get a palindrome (77499477).

The spelling of 20236275 in words is "twenty million, two hundred thirty-six thousand, two hundred seventy-five".