20366053 has 4 divisors (see below), whose sum is σ = 20862828. Its totient is φ = 19869280.

The previous prime is 20366029. The next prime is 20366069. The reversal of 20366053 is 35066302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 18122049 = 1498^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 20366053 - 2¹³ = 20357861 is a prime.

It is a super-2 number, since 2×20366053² = 829552229597618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366453) 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 3 ways as a sum of consecutive naturals, for example, 248326 + ... + 248407.

It is an arithmetic number, because the mean of its divisors is an integer number (5215707).

Almost surely, 2^20366053 is an apocalyptic number.

It is an amenable number.

20366053 is a deficient number, since it is larger than the sum of its proper divisors (496775).

20366053 is an equidigital number, since it uses as much as digits as its factorization.

20366053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496774.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 20366053 is about 4512.8763554966. The cubic root of 20366053 is about 273.0877944003.

The spelling of 20366053 in words is "twenty million, three hundred sixty-six thousand, fifty-three".