20353101 has 8 divisors (see below), whose sum is σ = 27159744. Its totient is φ = 13557600.

The previous prime is 20353079. The next prime is 20353117. The reversal of 20353101 is 10135302.

It is a happy number.

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

It is not a de Polignac number, because 20353101 - 2⁷ = 20352973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (3394968).

Almost surely, 2^20353101 is an apocalyptic number.

It is an amenable number.

20353101 is a deficient number, since it is larger than the sum of its proper divisors (6806643).

20353101 is a wasteful number, since it uses less digits than its factorization.

20353101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 20353101 is about 4511.4411223023. The cubic root of 20353101 is about 273.0298911306.

Adding to 20353101 its reverse (10135302), we get a palindrome (30488403).

The spelling of 20353101 in words is "twenty million, three hundred fifty-three thousand, one hundred one".