20341402043 has 2 divisors, whose sum is σ = 20341402044. Its totient is φ = 20341402042.

The previous prime is 20341402021. The next prime is 20341402057. The reversal of 20341402043 is 34020414302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20341402043 - 2¹⁰ = 20341401019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20341402843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170701021 + 10170701022.

It is an arithmetic number, because the mean of its divisors is an integer number (10170701022).

Almost surely, 2^20341402043 is an apocalyptic number.

20341402043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341402043 is an equidigital number, since it uses as much as digits as its factorization.

20341402043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20341402043 its reverse (34020414302), we get a palindrome (54361816345).

The spelling of 20341402043 in words is "twenty billion, three hundred forty-one million, four hundred two thousand, forty-three".