20514324043 has 2 divisors, whose sum is σ = 20514324044. Its totient is φ = 20514324042.

The previous prime is 20514324041. The next prime is 20514324109. The reversal of 20514324043 is 34042341502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20514324043 - 2¹ = 20514324041 is a prime.

Together with 20514324041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20514324041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257162021 + 10257162022.

It is an arithmetic number, because the mean of its divisors is an integer number (10257162022).

Almost surely, 2^20514324043 is an apocalyptic number.

20514324043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514324043 is an equidigital number, since it uses as much as digits as its factorization.

20514324043 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 20514324043 its reverse (34042341502), we get a palindrome (54556665545).

The spelling of 20514324043 in words is "twenty billion, five hundred fourteen million, three hundred twenty-four thousand, forty-three".