20106153 has 6 divisors (see below), whose sum is σ = 29042234. Its totient is φ = 13404096.

The previous prime is 20106143. The next prime is 20106157. The reversal of 20106153 is 35160102.

It can be written as a sum of positive squares in only one way, i.e., 13816089 + 6290064 = 3717^2 + 2508^2 .

It is not a de Polignac number, because 20106153 - 2⁴ = 20106137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20106157) 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 5 ways as a sum of consecutive naturals, for example, 1117000 + ... + 1117017.

Almost surely, 2^20106153 is an apocalyptic number.

It is an amenable number.

20106153 is a deficient number, since it is larger than the sum of its proper divisors (8936081).

20106153 is a wasteful number, since it uses less digits than its factorization.

20106153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234023 (or 2234020 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 20106153 is about 4483.9885147043. The cubic root of 20106153 is about 271.9211537974.

Adding to 20106153 its reverse (35160102), we get a palindrome (55266255).

The spelling of 20106153 in words is "twenty million, one hundred six thousand, one hundred fifty-three".