20244020242 has 8 divisors (see below), whose sum is σ = 30457771632. Its totient is φ = 10091429700.

The previous prime is 20244020207. The next prime is 20244020261. The reversal of 20244020242 is 24202044202.

It is a happy number.

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, 15289384 + ... + 15290707.

It is an arithmetic number, because the mean of its divisors is an integer number (3807221454).

Almost surely, 2^20244020242 is an apocalyptic number.

20244020242 is a deficient number, since it is larger than the sum of its proper divisors (10213751390).

20244020242 is a wasteful number, since it uses less digits than its factorization.

20244020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30580424.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20244020242 its reverse (24202044202), we get a palindrome (44446064444).

The spelling of 20244020242 in words is "twenty billion, two hundred forty-four million, twenty thousand, two hundred forty-two".