20043104121 has 6 divisors (see below), whose sum is σ = 28951150410. Its totient is φ = 13362069408.

The previous prime is 20043104099. The next prime is 20043104131. The reversal of 20043104121 is 12140134002.

20043104121 is a `hidden beast` number, since 200 + 43 + 10 + 412 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13143476025 + 6899628096 = 114645^2 + 83064^2 .

It is not a de Polignac number, because 20043104121 - 2¹¹ = 20043102073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20043104094 and 20043104103.

It is not an unprimeable number, because it can be changed into a prime (20043104131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113505776 + ... + 1113505793.

It is an arithmetic number, because the mean of its divisors is an integer number (4825191735).

Almost surely, 2^20043104121 is an apocalyptic number.

It is an amenable number.

20043104121 is a deficient number, since it is larger than the sum of its proper divisors (8908046289).

20043104121 is a wasteful number, since it uses less digits than its factorization.

20043104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227011575 (or 2227011572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20043104121 its reverse (12140134002), we get a palindrome (32183238123).

The spelling of 20043104121 in words is "twenty billion, forty-three million, one hundred four thousand, one hundred twenty-one".