20202211343 has 2 divisors, whose sum is σ = 20202211344. Its totient is φ = 20202211342.

The previous prime is 20202211327. The next prime is 20202211357. The reversal of 20202211343 is 34311220202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202211343 - 2⁴ = 20202211327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202214343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101105671 + 10101105672.

It is an arithmetic number, because the mean of its divisors is an integer number (10101105672).

Almost surely, 2^20202211343 is an apocalyptic number.

20202211343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202211343 is an equidigital number, since it uses as much as digits as its factorization.

20202211343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20202211343 its reverse (34311220202), we get a palindrome (54513431545).

The spelling of 20202211343 in words is "twenty billion, two hundred two million, two hundred eleven thousand, three hundred forty-three".