20055727 has 4 divisors (see below), whose sum is σ = 20069856. Its totient is φ = 20041600.

The previous prime is 20055709. The next prime is 20055731. The reversal of 20055727 is 72755002.

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 20055727 - 2⁷ = 20055599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20055695 and 20055704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055787) 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, 4663 + ... + 7864.

It is an arithmetic number, because the mean of its divisors is an integer number (5017464).

Almost surely, 2^20055727 is an apocalyptic number.

20055727 is a deficient number, since it is larger than the sum of its proper divisors (14129).

20055727 is a wasteful number, since it uses less digits than its factorization.

20055727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14128.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 20055727 is about 4478.3620889785. The cubic root of 20055727 is about 271.6936384494.

The spelling of 20055727 in words is "twenty million, fifty-five thousand, seven hundred twenty-seven".