20020523343 has 4 divisors (see below), whose sum is σ = 26694031128. Its totient is φ = 13347015560.

The previous prime is 20020523311. The next prime is 20020523353. The reversal of 20020523343 is 34332502002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020523343 - 2⁵ = 20020523311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020523353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336753888 + ... + 3336753893.

It is an arithmetic number, because the mean of its divisors is an integer number (6673507782).

Almost surely, 2^20020523343 is an apocalyptic number.

20020523343 is a deficient number, since it is larger than the sum of its proper divisors (6673507785).

20020523343 is an equidigital number, since it uses as much as digits as its factorization.

20020523343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673507784.

The product of its (nonzero) digits is 4320, while the sum is 24.

The spelling of 20020523343 in words is "twenty billion, twenty million, five hundred twenty-three thousand, three hundred forty-three".