20242295 has 4 divisors (see below), whose sum is σ = 24290760. Its totient is φ = 16193832.

The previous prime is 20242273. The next prime is 20242297. The reversal of 20242295 is 59224202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59224202 = 2 ⋅29612101.

It is a cyclic number.

It is not a de Polignac number, because 20242295 - 2¹² = 20238199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242297) 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 3 ways as a sum of consecutive naturals, for example, 2024225 + ... + 2024234.

It is an arithmetic number, because the mean of its divisors is an integer number (6072690).

Almost surely, 2^20242295 is an apocalyptic number.

20242295 is a deficient number, since it is larger than the sum of its proper divisors (4048465).

20242295 is an equidigital number, since it uses as much as digits as its factorization.

20242295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048464.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20242295 is about 4499.1438074371. The cubic root of 20242295 is about 272.5335143809.

Adding to 20242295 its reverse (59224202), we get a palindrome (79466497).

The spelling of 20242295 in words is "twenty million, two hundred forty-two thousand, two hundred ninety-five".