20236636121130 has 96 divisors (see below), whose sum is σ = 61813724918400. Its totient is φ = 4528478010240.

The previous prime is 20236636121081. The next prime is 20236636121161. The reversal of 20236636121130 is 3112163663202.

20236636121130 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 6 + 6 + 3 + 612 + 1 + 1 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786181230 + ... + 786206969.

It is an arithmetic number, because the mean of its divisors is an integer number (643892967900).

Almost surely, 2^{20236636121130} is an apocalyptic number.

20236636121130 is an abundant number, since it is smaller than the sum of its proper divisors (41577088797270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20236636121130 is a wasteful number, since it uses less digits than its factorization.

20236636121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572388236 (or 1572388233 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 20236636121130 its reverse (3112163663202), we get a palindrome (23348799784332).

The spelling of 20236636121130 in words is "twenty trillion, two hundred thirty-six billion, six hundred thirty-six million, one hundred twenty-one thousand, one hundred thirty".