20225351 has 8 divisors (see below), whose sum is σ = 20905104. Its totient is φ = 19555200.

The previous prime is 20225327. The next prime is 20225353. The reversal of 20225351 is 15352202.

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

It is a cyclic number.

It is not a de Polignac number, because 20225351 - 2⁶ = 20225287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225353) 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 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (2613138).

Almost surely, 2^20225351 is an apocalyptic number.

20225351 is a deficient number, since it is larger than the sum of its proper divisors (679753).

20225351 is a wasteful number, since it uses less digits than its factorization.

20225351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20225351 is about 4497.2603882808. The cubic root of 20225351 is about 272.4574509219.

Adding to 20225351 its reverse (15352202), we get a palindrome (35577553).

The spelling of 20225351 in words is "twenty million, two hundred twenty-five thousand, three hundred fifty-one".