20225134 has 8 divisors (see below), whose sum is σ = 30983328. Its totient is φ = 9897360.

The previous prime is 20225123. The next prime is 20225137. The reversal of 20225134 is 43152202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225137) 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 3 ways as a sum of consecutive naturals, for example, 107487 + ... + 107674.

It is an arithmetic number, because the mean of its divisors is an integer number (3872916).

Almost surely, 2^20225134 is an apocalyptic number.

20225134 is a deficient number, since it is larger than the sum of its proper divisors (10758194).

20225134 is a wasteful number, since it uses less digits than its factorization.

20225134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215210.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20225134 is about 4497.2362624172. The cubic root of 20225134 is about 272.4564765098.

Adding to 20225134 its reverse (43152202), we get a palindrome (63377336).

The spelling of 20225134 in words is "twenty million, two hundred twenty-five thousand, one hundred thirty-four".