20020532243 has 2 divisors, whose sum is σ = 20020532244. Its totient is φ = 20020532242.

The previous prime is 20020532227. The next prime is 20020532293. The reversal of 20020532243 is 34223502002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020532243 - 2⁴ = 20020532227 is a prime.

It is a super-2 number, since 2×20020532243² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20020532293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010266121 + 10010266122.

It is an arithmetic number, because the mean of its divisors is an integer number (10010266122).

Almost surely, 2^20020532243 is an apocalyptic number.

20020532243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020532243 is an equidigital number, since it uses as much as digits as its factorization.

20020532243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The spelling of 20020532243 in words is "twenty billion, twenty million, five hundred thirty-two thousand, two hundred forty-three".