20225179 has 16 divisors (see below), whose sum is σ = 22577632. Its totient is φ = 17998848.

The previous prime is 20225167. The next prime is 20225207. The reversal of 20225179 is 97152202.

It is a cyclic number.

It is not a de Polignac number, because 20225179 - 2⁵ = 20225147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20225159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54037 + ... + 54409.

It is an arithmetic number, because the mean of its divisors is an integer number (1411102).

Almost surely, 2^20225179 is an apocalyptic number.

20225179 is a deficient number, since it is larger than the sum of its proper divisors (2352453).

20225179 is a wasteful number, since it uses less digits than its factorization.

20225179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 20225179 is about 4497.2412654871. The cubic root of 20225179 is about 272.4566785774.

The spelling of 20225179 in words is "twenty million, two hundred twenty-five thousand, one hundred seventy-nine".