20131421400201 has 4 divisors (see below), whose sum is σ = 26841895200272. Its totient is φ = 13420947600132.

The previous prime is 20131421400187. The next prime is 20131421400227. The reversal of 20131421400201 is 10200412413102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20131421400201 - 2¹⁴ = 20131421383817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20131421400271) 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, 3355236900031 + ... + 3355236900036.

It is an arithmetic number, because the mean of its divisors is an integer number (6710473800068).

Almost surely, 2^{20131421400201} is an apocalyptic number.

It is an amenable number.

20131421400201 is a deficient number, since it is larger than the sum of its proper divisors (6710473800071).

20131421400201 is an equidigital number, since it uses as much as digits as its factorization.

20131421400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710473800070.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20131421400201 its reverse (10200412413102), we get a palindrome (30331833813303).

The spelling of 20131421400201 in words is "twenty trillion, one hundred thirty-one billion, four hundred twenty-one million, four hundred thousand, two hundred one".