20027135 has 8 divisors (see below), whose sum is σ = 25077600. Its totient is φ = 15325024.

The previous prime is 20027131. The next prime is 20027177. The reversal of 20027135 is 53172002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20027135 - 2² = 20027131 is a prime.

It is a super-2 number, since 2×20027135² = 802172272616450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86960 + ... + 87189.

It is an arithmetic number, because the mean of its divisors is an integer number (3134700).

Almost surely, 2^20027135 is an apocalyptic number.

20027135 is a deficient number, since it is larger than the sum of its proper divisors (5050465).

20027135 is a wasteful number, since it uses less digits than its factorization.

20027135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174177.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20027135 is about 4475.1687119035. The cubic root of 20027135 is about 271.5644657200.

Adding to 20027135 its reverse (53172002), we get a palindrome (73199137).

The spelling of 20027135 in words is "twenty million, twenty-seven thousand, one hundred thirty-five".