20225355 has 8 divisors (see below), whose sum is σ = 32360592. Its totient is φ = 10786848.

The previous prime is 20225353. The next prime is 20225363. The reversal of 20225355 is 55352202.

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

It is not a de Polignac number, because 20225355 - 2¹ = 20225353 is a prime.

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, 674164 + ... + 674193.

It is an arithmetic number, because the mean of its divisors is an integer number (4045074).

Almost surely, 2^20225355 is an apocalyptic number.

20225355 is a deficient number, since it is larger than the sum of its proper divisors (12135237).

20225355 is a wasteful number, since it uses less digits than its factorization.

20225355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348365.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 20225355 is about 4497.2608329960. The cubic root of 20225355 is about 272.4574688833.

Adding to 20225355 its reverse (55352202), we get a palindrome (75577557).

The spelling of 20225355 in words is "twenty million, two hundred twenty-five thousand, three hundred fifty-five".