20254227 has 16 divisors (see below), whose sum is σ = 31521792. Its totient is φ = 11327040.

The previous prime is 20254219. The next prime is 20254243. The reversal of 20254227 is 72245202.

It is not a de Polignac number, because 20254227 - 2³ = 20254219 is a prime.

It is a super-2 number, since 2×20254227² = 820467422735058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20254197 and 20254206.

It is not an unprimeable number, because it can be changed into a prime (20254277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9274 + ... + 11247.

It is an arithmetic number, because the mean of its divisors is an integer number (1970112).

Almost surely, 2^20254227 is an apocalyptic number.

20254227 is a deficient number, since it is larger than the sum of its proper divisors (11267565).

20254227 is a wasteful number, since it uses less digits than its factorization.

20254227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20578.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 20254227 is about 4500.4696421596. The cubic root of 20254227 is about 272.5870529603.

Adding to 20254227 its reverse (72245202), we get a palindrome (92499429).

The spelling of 20254227 in words is "twenty million, two hundred fifty-four thousand, two hundred twenty-seven".