20132405443 has 2 divisors, whose sum is σ = 20132405444. Its totient is φ = 20132405442.

The previous prime is 20132405429. The next prime is 20132405459. The reversal of 20132405443 is 34450423102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132405443 - 2²⁵ = 20098851011 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132405483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066202721 + 10066202722.

It is an arithmetic number, because the mean of its divisors is an integer number (10066202722).

Almost surely, 2^20132405443 is an apocalyptic number.

20132405443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132405443 is an equidigital number, since it uses as much as digits as its factorization.

20132405443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20132405443 its reverse (34450423102), we get a palindrome (54582828545).

The spelling of 20132405443 in words is "twenty billion, one hundred thirty-two million, four hundred five thousand, four hundred forty-three".