20104016442 has 16 divisors (see below), whose sum is σ = 40221128640. Its totient is φ = 6699156192.

The previous prime is 20104016441. The next prime is 20104016453. The reversal of 20104016442 is 24461040102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20104016441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525643 + ... + 562590.

It is an arithmetic number, because the mean of its divisors is an integer number (2513820540).

Almost surely, 2^20104016442 is an apocalyptic number.

20104016442 is an abundant number, since it is smaller than the sum of its proper divisors (20117112198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20104016442 is a wasteful number, since it uses less digits than its factorization.

20104016442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091317.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20104016442 its reverse (24461040102), we get a palindrome (44565056544).

The spelling of 20104016442 in words is "twenty billion, one hundred four million, sixteen thousand, four hundred forty-two".