20242294 has 4 divisors (see below), whose sum is σ = 30363444. Its totient is φ = 10121146.

The previous prime is 20242273. The next prime is 20242297. The reversal of 20242294 is 49224202.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 5060572 + ... + 5060575.

It is an arithmetic number, because the mean of its divisors is an integer number (7590861).

Almost surely, 2^20242294 is an apocalyptic number.

20242294 is a deficient number, since it is larger than the sum of its proper divisors (10121150).

20242294 is a wasteful number, since it uses less digits than its factorization.

20242294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121149.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20242294 is about 4499.1436963049. The cubic root of 20242294 is about 272.5335098930.

Adding to 20242294 its reverse (49224202), we get a palindrome (69466496).

The spelling of 20242294 in words is "twenty million, two hundred forty-two thousand, two hundred ninety-four".