20131420144401 has 12 divisors (see below), whose sum is σ = 29080407949060. Its totient is φ = 13420166780160.

The previous prime is 20131420144397. The next prime is 20131420144411. The reversal of 20131420144401 is 10444102413102.

20131420144401 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 14 + 201 + 4 + 440 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10829042144001 + 9302378000400 = 3290751^2 + 3049980^2 .

It is not a de Polignac number, because 20131420144401 - 2² = 20131420144397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131420144411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64835080 + ... + 65144841.

Almost surely, 2^{20131420144401} is an apocalyptic number.

It is an amenable number.

20131420144401 is a deficient number, since it is larger than the sum of its proper divisors (8948987804659).

20131420144401 is a wasteful number, since it uses less digits than its factorization.

20131420144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129997136 (or 129997133 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 20131420144401 its reverse (10444102413102), we get a palindrome (30575522557503).

The spelling of 20131420144401 in words is "twenty trillion, one hundred thirty-one billion, four hundred twenty million, one hundred forty-four thousand, four hundred one".