20001311311130 has 8 divisors (see below), whose sum is σ = 36002360360052. Its totient is φ = 8000524524448.

The previous prime is 20001311311109. The next prime is 20001311311147. The reversal of 20001311311130 is 3111311310002.

It can be written as a sum of positive squares in 2 ways, for example, as 19561717116769 + 439594194361 = 4422863^2 + 663019^2 .

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 = 20001311311099 and 20001311311108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000065565547 + ... + 1000065565566.

Almost surely, 2^{20001311311130} is an apocalyptic number.

20001311311130 is a deficient number, since it is larger than the sum of its proper divisors (16001049048922).

20001311311130 is a wasteful number, since it uses less digits than its factorization.

20001311311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000131131120.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 20001311311130 its reverse (3111311310002), we get a palindrome (23112622621132).

The spelling of 20001311311130 in words is "twenty trillion, one billion, three hundred eleven million, three hundred eleven thousand, one hundred thirty".