20413053 has 10 divisors (see below), whose sum is σ = 30493694. Its totient is φ = 13608648.

The previous prime is 20413051. The next prime is 20413069. The reversal of 20413053 is 35031402.

It can be written as a sum of positive squares in only one way, i.e., 20412324 + 729 = 4518^2 + 27^2 .

It is not a de Polignac number, because 20413053 - 2¹ = 20413051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 125926 + ... + 126087.

Almost surely, 2^20413053 is an apocalyptic number.

It is an amenable number.

20413053 is a deficient number, since it is larger than the sum of its proper divisors (10080641).

20413053 is an equidigital number, since it uses as much as digits as its factorization.

20413053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252025 (or 252016 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20413053 is about 4518.0806765705. The cubic root of 20413053 is about 273.2977068709.

Adding to 20413053 its reverse (35031402), we get a palindrome (55444455).

The spelling of 20413053 in words is "twenty million, four hundred thirteen thousand, fifty-three".