20112130130233 has 8 divisors (see below), whose sum is σ = 21586911631848. Its totient is φ = 18669761409024.

The previous prime is 20112130130219. The next prime is 20112130130263. The reversal of 20112130130233 is 33203103121102.

It can be written as a sum of positive squares in 4 ways, for example, as 3538657601424 + 16573472528809 = 1881132^2 + 4071053^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-20112130130233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112130130263) 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, 8103193816 + ... + 8103196297.

It is an arithmetic number, because the mean of its divisors is an integer number (2698363953981).

Almost surely, 2^{20112130130233} is an apocalyptic number.

It is an amenable number.

20112130130233 is a deficient number, since it is larger than the sum of its proper divisors (1474781501615).

20112130130233 is a wasteful number, since it uses less digits than its factorization.

20112130130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206390203.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20112130130233 its reverse (33203103121102), we get a palindrome (53315233251335).

The spelling of 20112130130233 in words is "twenty trillion, one hundred twelve billion, one hundred thirty million, one hundred thirty thousand, two hundred thirty-three".