20104301443 has 4 divisors (see below), whose sum is σ = 20752827328. Its totient is φ = 19455775560.

The previous prime is 20104301377. The next prime is 20104301521. The reversal of 20104301443 is 34410340102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34410340102 = 2 ⋅17205170051.

It is a cyclic number.

It is not a de Polignac number, because 20104301443 - 2¹⁷ = 20104170371 is a prime.

It is a super-2 number, since 2×20104301443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20104305443) 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, 324262896 + ... + 324262957.

It is an arithmetic number, because the mean of its divisors is an integer number (5188206832).

Almost surely, 2^20104301443 is an apocalyptic number.

20104301443 is a deficient number, since it is larger than the sum of its proper divisors (648525885).

20104301443 is an equidigital number, since it uses as much as digits as its factorization.

20104301443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648525884.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20104301443 its reverse (34410340102), we get a palindrome (54514641545).

The spelling of 20104301443 in words is "twenty billion, one hundred four million, three hundred one thousand, four hundred forty-three".