20225653 has 8 divisors (see below), whose sum is σ = 23143680. Its totient is φ = 17314800.

The previous prime is 20225641. The next prime is 20225657. The reversal of 20225653 is 35652202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20225653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7428 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (2892960).

Almost surely, 2^20225653 is an apocalyptic number.

It is an amenable number.

20225653 is a deficient number, since it is larger than the sum of its proper divisors (2918027).

20225653 is a wasteful number, since it uses less digits than its factorization.

20225653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 20225653 is about 4497.2939641522. The cubic root of 20225653 is about 272.4588070045.

Adding to 20225653 its reverse (35652202), we get a palindrome (55877855).

The spelling of 20225653 in words is "twenty million, two hundred twenty-five thousand, six hundred fifty-three".