20254853 has 4 divisors (see below), whose sum is σ = 20280288. Its totient is φ = 20229420.

The previous prime is 20254831. The next prime is 20254901. The reversal of 20254853 is 35845202.

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.

It is a cyclic number.

It is not a de Polignac number, because 20254853 - 2¹⁴ = 20238469 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 (20254813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (5070072).

Almost surely, 2^20254853 is an apocalyptic number.

It is an amenable number.

20254853 is a deficient number, since it is larger than the sum of its proper divisors (25435).

20254853 is an equidigital number, since it uses as much as digits as its factorization.

20254853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25434.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 20254853 is about 4500.5391899194. The cubic root of 20254853 is about 272.5898612257.

It can be divided in two parts, 202 and 54853, that added together give a palindrome (55055).

The spelling of 20254853 in words is "twenty million, two hundred fifty-four thousand, eight hundred fifty-three".