20089627 has 4 divisors (see below), whose sum is σ = 20123656. Its totient is φ = 20055600.

The previous prime is 20089613. The next prime is 20089651. The reversal of 20089627 is 72698002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20089627 is a prime.

It is a super-2 number, since 2×20089627² = 807186225998258, 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 = 20089592 and 20089601.

It is not an unprimeable number, because it can be changed into a prime (20089687) 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, 16113 + ... + 17314.

It is an arithmetic number, because the mean of its divisors is an integer number (5030914).

Almost surely, 2^20089627 is an apocalyptic number.

20089627 is a deficient number, since it is larger than the sum of its proper divisors (34029).

20089627 is an equidigital number, since it uses as much as digits as its factorization.

20089627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34028.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20089627 is about 4482.1453568576. The cubic root of 20089627 is about 271.8466326504.

The spelling of 20089627 in words is "twenty million, eighty-nine thousand, six hundred twenty-seven".