20227015 has 8 divisors (see below), whose sum is σ = 24312528. Its totient is φ = 16154880.

The previous prime is 20227003. The next prime is 20227027. The reversal of 20227015 is 51072202.

It is an interprime number because it is at equal distance from previous prime (20227003) and next prime (20227027).

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

It is a de Polignac number, because none of the positive numbers 2^k-20227015 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20226983 and 20227001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (3039066).

Almost surely, 2^20227015 is an apocalyptic number.

20227015 is a deficient number, since it is larger than the sum of its proper divisors (4085513).

20227015 is an equidigital number, since it uses as much as digits as its factorization.

20227015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20227015 is about 4497.4453859941. The cubic root of 20227015 is about 272.4649226796.

Adding to 20227015 its reverse (51072202), we get a palindrome (71299217).

The spelling of 20227015 in words is "twenty million, two hundred twenty-seven thousand, fifteen".