20242042 has 8 divisors (see below), whose sum is σ = 30411936. Its totient is φ = 10104732.

The previous prime is 20242031. The next prime is 20242051. The reversal of 20242042 is 24024202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6528 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (3801492).

It is a self-describing number.

Almost surely, 2^20242042 is an apocalyptic number.

20242042 is a deficient number, since it is larger than the sum of its proper divisors (10169894).

20242042 is a wasteful number, since it uses less digits than its factorization.

20242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16292.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20242042 is about 4499.1156908886. The cubic root of 20242042 is about 272.5323789486.

Adding to 20242042 its reverse (24024202), we get a palindrome (44266244).

The spelling of 20242042 in words is "twenty million, two hundred forty-two thousand, forty-two".