20679027 has 4 divisors (see below), whose sum is σ = 27572040. Its totient is φ = 13786016.

The previous prime is 20679023. The next prime is 20679031. The reversal of 20679027 is 72097602.

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

It is an interprime number because it is at equal distance from previous prime (20679023) and next prime (20679031).

It is a cyclic number.

It is not a de Polignac number, because 20679027 - 2² = 20679023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20679023) 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, 3446502 + ... + 3446507.

It is an arithmetic number, because the mean of its divisors is an integer number (6893010).

Almost surely, 2^20679027 is an apocalyptic number.

20679027 is a deficient number, since it is larger than the sum of its proper divisors (6893013).

20679027 is an equidigital number, since it uses as much as digits as its factorization.

20679027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893012.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 20679027 is about 4547.4198178747. The cubic root of 20679027 is about 274.4795755222.

The spelling of 20679027 in words is "twenty million, six hundred seventy-nine thousand, twenty-seven".