20220853 has 4 divisors (see below), whose sum is σ = 20262528. Its totient is φ = 20179180.

The previous prime is 20220839. The next prime is 20220869. The reversal of 20220853 is 35802202.

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 an emirpimes, since its reverse is a distinct semiprime: 35802202 = 2 ⋅17901101.

It is a cyclic number.

It is not a de Polignac number, because 20220853 - 2⁵ = 20220821 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 (20220253) 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, 20101 + ... + 21082.

It is an arithmetic number, because the mean of its divisors is an integer number (5065632).

Almost surely, 2^20220853 is an apocalyptic number.

It is an amenable number.

20220853 is a deficient number, since it is larger than the sum of its proper divisors (41675).

20220853 is an equidigital number, since it uses as much as digits as its factorization.

20220853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41674.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20220853 is about 4496.7602782448. The cubic root of 20220853 is about 272.4372517755.

The spelling of 20220853 in words is "twenty million, two hundred twenty thousand, eight hundred fifty-three".