20401404343214 has 16 divisors (see below), whose sum is σ = 30665280153600. Its totient is φ = 10179663378264.

The previous prime is 20401404343183. The next prime is 20401404343223. The reversal of 20401404343214 is 41234340410402.

It is a super-2 number, since 2×20401404343214² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2632154 + ... + 6908765.

It is an arithmetic number, because the mean of its divisors is an integer number (1916580009600).

Almost surely, 2^{20401404343214} is an apocalyptic number.

20401404343214 is a deficient number, since it is larger than the sum of its proper divisors (10263875810386).

20401404343214 is a wasteful number, since it uses less digits than its factorization.

20401404343214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543127.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20401404343214 its reverse (41234340410402), we get a palindrome (61635744753616).

The spelling of 20401404343214 in words is "twenty trillion, four hundred one billion, four hundred four million, three hundred forty-three thousand, two hundred fourteen".