20144104234 has 16 divisors (see below), whose sum is σ = 31198023936. Its totient is φ = 9744912000.

The previous prime is 20144104231. The next prime is 20144104259. The reversal of 20144104234 is 43240144102.

It is a junction number, because it is equal to n+sod(n) for n = 20144104199 and 20144104208.

It is not an unprimeable number, because it can be changed into a prime (20144104231) 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, 253434 + ... + 323290.

It is an arithmetic number, because the mean of its divisors is an integer number (1949876496).

Almost surely, 2^20144104234 is an apocalyptic number.

20144104234 is a deficient number, since it is larger than the sum of its proper divisors (11053919702).

20144104234 is a wasteful number, since it uses less digits than its factorization.

20144104234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74541.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20144104234 its reverse (43240144102), we get a palindrome (63384248336).

The spelling of 20144104234 in words is "twenty billion, one hundred forty-four million, one hundred four thousand, two hundred thirty-four".