20040121130 has 16 divisors (see below), whose sum is σ = 36683612640. Its totient is φ = 7880182992.

The previous prime is 20040121121. The next prime is 20040121133. The reversal of 20040121130 is 3112104002.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20040121133) 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, 16982564 + ... + 16983743.

It is an arithmetic number, because the mean of its divisors is an integer number (2292725790).

Almost surely, 2^20040121130 is an apocalyptic number.

20040121130 is a deficient number, since it is larger than the sum of its proper divisors (16643491510).

20040121130 is a wasteful number, since it uses less digits than its factorization.

20040121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33966373.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20040121130 its reverse (3112104002), we get a palindrome (23152225132).

The spelling of 20040121130 in words is "twenty billion, forty million, one hundred twenty-one thousand, one hundred thirty".