20143421434122 has 16 divisors (see below), whose sum is σ = 46042106135232. Its totient is φ = 5755263266880.

The previous prime is 20143421434121. The next prime is 20143421434141. The reversal of 20143421434122 is 22143412434102.

It is a super-2 number, since 2×20143421434122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20143421434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239802636079 + ... + 239802636162.

It is an arithmetic number, because the mean of its divisors is an integer number (2877631633452).

Almost surely, 2^{20143421434122} is an apocalyptic number.

20143421434122 is an abundant number, since it is smaller than the sum of its proper divisors (25898684701110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20143421434122 is a wasteful number, since it uses less digits than its factorization.

20143421434122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479605272253.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 20143421434122 its reverse (22143412434102), we get a palindrome (42286833868224).

The spelling of 20143421434122 in words is "twenty trillion, one hundred forty-three billion, four hundred twenty-one million, four hundred thirty-four thousand, one hundred twenty-two".