20034253 has 4 divisors (see below), whose sum is σ = 20043360. Its totient is φ = 20025148.

The previous prime is 20034251. The next prime is 20034257. The reversal of 20034253 is 35243002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20034253 - 2¹ = 20034251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20034253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034251) 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, 1026 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (5010840).

Almost surely, 2^20034253 is an apocalyptic number.

It is an amenable number.

20034253 is a deficient number, since it is larger than the sum of its proper divisors (9107).

20034253 is an equidigital number, since it uses as much as digits as its factorization.

20034253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20034253 is about 4475.9639185320. The cubic root of 20034253 is about 271.5966348563.

Adding to 20034253 its reverse (35243002), we get a palindrome (55277255).

It can be divided in two parts, 200 and 34253, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 20034253 in words is "twenty million, thirty-four thousand, two hundred fifty-three".