20144104235 has 8 divisors (see below), whose sum is σ = 24174669120. Its totient is φ = 16114120704.

The previous prime is 20144104231. The next prime is 20144104259. The reversal of 20144104235 is 53240144102.

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

It is a cyclic number.

It is not a de Polignac number, because 20144104235 - 2² = 20144104231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20144104231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65075 + ... + 211004.

It is an arithmetic number, because the mean of its divisors is an integer number (3021833640).

Almost surely, 2^20144104235 is an apocalyptic number.

20144104235 is a deficient number, since it is larger than the sum of its proper divisors (4030564885).

20144104235 is a wasteful number, since it uses less digits than its factorization.

20144104235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290677.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20144104235 its reverse (53240144102), we get a palindrome (73384248337).

The spelling of 20144104235 in words is "twenty billion, one hundred forty-four million, one hundred four thousand, two hundred thirty-five".