20836227 has 8 divisors (see below), whose sum is σ = 27802960. Its totient is φ = 13880160.

The previous prime is 20836223. The next prime is 20836253. The reversal of 20836227 is 72263802.

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

It is not a de Polignac number, because 20836227 - 2² = 20836223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20836194 and 20836203.

It is not an unprimeable number, because it can be changed into a prime (20836223) 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, 5277 + ... + 8337.

It is an arithmetic number, because the mean of its divisors is an integer number (3475370).

Almost surely, 2^20836227 is an apocalyptic number.

20836227 is a deficient number, since it is larger than the sum of its proper divisors (6966733).

20836227 is a wasteful number, since it uses less digits than its factorization.

20836227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20836227 is about 4564.6716201716. The cubic root of 20836227 is about 275.1733430539.

The spelling of 20836227 in words is "twenty million, eight hundred thirty-six thousand, two hundred twenty-seven".