20332121071 has 2 divisors, whose sum is σ = 20332121072. Its totient is φ = 20332121070.

The previous prime is 20332120997. The next prime is 20332121077. The reversal of 20332121071 is 17012123302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20332121071 - 2⁷ = 20332120943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332121077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166060535 + 10166060536.

It is an arithmetic number, because the mean of its divisors is an integer number (10166060536).

Almost surely, 2^20332121071 is an apocalyptic number.

20332121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332121071 is an equidigital number, since it uses as much as digits as its factorization.

20332121071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 20332121071 its reverse (17012123302), we get a palindrome (37344244373).

The spelling of 20332121071 in words is "twenty billion, three hundred thirty-two million, one hundred twenty-one thousand, seventy-one".