20012231320411 has 48 divisors (see below), whose sum is σ = 22174734726144. Its totient is φ = 18046573776000.

The previous prime is 20012231320397. The next prime is 20012231320481. The reversal of 20012231320411 is 11402313221002.

It is not a de Polignac number, because 20012231320411 - 2⁷ = 20012231320283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012231320481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16256889166 + ... + 16256890396.

It is an arithmetic number, because the mean of its divisors is an integer number (461973640128).

Almost surely, 2^{20012231320411} is an apocalyptic number.

20012231320411 is a deficient number, since it is larger than the sum of its proper divisors (2162503405733).

20012231320411 is a wasteful number, since it uses less digits than its factorization.

20012231320411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20012231320411 its reverse (11402313221002), we get a palindrome (31414544541413).

The spelling of 20012231320411 in words is "twenty trillion, twelve billion, two hundred thirty-one million, three hundred twenty thousand, four hundred eleven".