20353153 has 2 divisors, whose sum is σ = 20353154. Its totient is φ = 20353152.

The previous prime is 20353121. The next prime is 20353187. The reversal of 20353153 is 35135302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19114384 + 1238769 = 4372^2 + 1113^2 .

It is a cyclic number.

It is not a de Polignac number, because 20353153 - 2⁵ = 20353121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20353253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176576 + 10176577.

It is an arithmetic number, because the mean of its divisors is an integer number (10176577).

Almost surely, 2^20353153 is an apocalyptic number.

It is an amenable number.

20353153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20353153 is an equidigital number, since it uses as much as digits as its factorization.

20353153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 20353153 is about 4511.4468854238. The cubic root of 20353153 is about 273.0301236511.

Adding to 20353153 its reverse (35135302), we get a palindrome (55488455).

The spelling of 20353153 in words is "twenty million, three hundred fifty-three thousand, one hundred fifty-three".