20112242 has 8 divisors (see below), whose sum is σ = 31141632. Its totient is φ = 9731700.

The previous prime is 20112233. The next prime is 20112251. The reversal of 20112242 is 24221102.

It is an interprime number because it is at equal distance from previous prime (20112233) and next prime (20112251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 162134 + ... + 162257.

It is an arithmetic number, because the mean of its divisors is an integer number (3892704).

Almost surely, 2^20112242 is an apocalyptic number.

20112242 is a deficient number, since it is larger than the sum of its proper divisors (11029390).

20112242 is a wasteful number, since it uses less digits than its factorization.

20112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324424.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20112242 is about 4484.6674347158. The cubic root of 20112242 is about 271.9486007982.

Adding to 20112242 its reverse (24221102), we get a palindrome (44333344).

It can be divided in two parts, 201 and 12242, that multiplied together give a palindrome (2460642).

The spelling of 20112242 in words is "twenty million, one hundred twelve thousand, two hundred forty-two".