20143430430401 has 4 divisors (see below), whose sum is σ = 20247800536452. Its totient is φ = 20039060324352.

The previous prime is 20143430430371. The next prime is 20143430430433. The reversal of 20143430430401 is 10403403434102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1617981456001 + 18525448974400 = 1271999^2 + 4304120^2 .

It is a cyclic number.

It is not a de Polignac number, because 20143430430401 - 2³⁴ = 20126250561217 is a prime.

It is a super-2 number, since 2×20143430430401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20143430430491) 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 3 ways as a sum of consecutive naturals, for example, 52185052736 + ... + 52185053121.

It is an arithmetic number, because the mean of its divisors is an integer number (5061950134113).

Almost surely, 2^{20143430430401} is an apocalyptic number.

It is an amenable number.

20143430430401 is a deficient number, since it is larger than the sum of its proper divisors (104370106051).

20143430430401 is a wasteful number, since it uses less digits than its factorization.

20143430430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104370106050.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20143430430401 its reverse (10403403434102), we get a palindrome (30546833864503).

The spelling of 20143430430401 in words is "twenty trillion, one hundred forty-three billion, four hundred thirty million, four hundred thirty thousand, four hundred one".