20104441142 has 4 divisors (see below), whose sum is σ = 30156661716. Its totient is φ = 10052220570.

The previous prime is 20104441141. The next prime is 20104441169. The reversal of 20104441142 is 24114440102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104441141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5026110284 + ... + 5026110287.

It is an arithmetic number, because the mean of its divisors is an integer number (7539165429).

Almost surely, 2^20104441142 is an apocalyptic number.

20104441142 is a deficient number, since it is larger than the sum of its proper divisors (10052220574).

20104441142 is a wasteful number, since it uses less digits than its factorization.

20104441142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052220573.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20104441142 its reverse (24114440102), we get a palindrome (44218881244).

The spelling of 20104441142 in words is "twenty billion, one hundred four million, four hundred forty-one thousand, one hundred forty-two".