20275027 has 4 divisors (see below), whose sum is σ = 20356056. Its totient is φ = 20194000.

The previous prime is 20275019. The next prime is 20275049. The reversal of 20275027 is 72057202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20275027 - 2³ = 20275019 is a prime.

It is a super-2 number, since 2×20275027² = 822153439701458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20274992 and 20275010.

It is not an unprimeable number, because it can be changed into a prime (20275007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40138 + ... + 40639.

It is an arithmetic number, because the mean of its divisors is an integer number (5089014).

Almost surely, 2^20275027 is an apocalyptic number.

20275027 is a deficient number, since it is larger than the sum of its proper divisors (81029).

20275027 is an equidigital number, since it uses as much as digits as its factorization.

20275027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81028.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 20275027 is about 4502.7799191166. The cubic root of 20275027 is about 272.6803317764.

The spelling of 20275027 in words is "twenty million, two hundred seventy-five thousand, twenty-seven".