20020323203071 has 2 divisors, whose sum is σ = 20020323203072. Its totient is φ = 20020323203070.

The previous prime is 20020323203021. The next prime is 20020323203131. The reversal of 20020323203071 is 17030232302002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020323203071 - 2²³ = 20020314814463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020323203021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010161601535 + 10010161601536.

It is an arithmetic number, because the mean of its divisors is an integer number (10010161601536).

Almost surely, 2^{20020323203071} is an apocalyptic number.

20020323203071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020323203071 is an equidigital number, since it uses as much as digits as its factorization.

20020323203071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 20020323203071 its reverse (17030232302002), we get a palindrome (37050555505073).

The spelling of 20020323203071 in words is "twenty trillion, twenty billion, three hundred twenty-three million, two hundred three thousand, seventy-one".