20104442242 has 8 divisors (see below), whose sum is σ = 30195881100. Its totient is φ = 10039148544.

The previous prime is 20104442213. The next prime is 20104442243. The reversal of 20104442242 is 24224440102.

It can be written as a sum of positive squares in 2 ways, for example, as 19577326561 + 527115681 = 139919^2 + 22959^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20104442243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6534367 + ... + 6537442.

Almost surely, 2^20104442242 is an apocalyptic number.

20104442242 is a deficient number, since it is larger than the sum of its proper divisors (10091438858).

20104442242 is a wasteful number, since it uses less digits than its factorization.

20104442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072580.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 20104442242 its reverse (24224440102), we get a palindrome (44328882344).

The spelling of 20104442242 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, two hundred forty-two".