20312333013130 has 8 divisors (see below), whose sum is σ = 36562199423652. Its totient is φ = 8124933205248.

The previous prime is 20312333013107. The next prime is 20312333013131. The reversal of 20312333013130 is 3131033321302.

It can be written as a sum of positive squares in 2 ways, for example, as 20304099084049 + 8233929081 = 4506007^2 + 90741^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20312333013095 and 20312333013104.

It is not an unprimeable number, because it can be changed into a prime (20312333013131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015616650647 + ... + 1015616650666.

Almost surely, 2^{20312333013130} is an apocalyptic number.

20312333013130 is a deficient number, since it is larger than the sum of its proper divisors (16249866410522).

20312333013130 is a wasteful number, since it uses less digits than its factorization.

20312333013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031233301320.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20312333013130 its reverse (3131033321302), we get a palindrome (23443366334432).

The spelling of 20312333013130 in words is "twenty trillion, three hundred twelve billion, three hundred thirty-three million, thirteen thousand, one hundred thirty".