20331234033151 has 2 divisors, whose sum is σ = 20331234033152. Its totient is φ = 20331234033150.

The previous prime is 20331234033133. The next prime is 20331234033179. The reversal of 20331234033151 is 15133043213302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20331234033151 - 2⁹ = 20331234032639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20331234033101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165617016575 + 10165617016576.

It is an arithmetic number, because the mean of its divisors is an integer number (10165617016576).

Almost surely, 2^{20331234033151} is an apocalyptic number.

20331234033151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331234033151 is an equidigital number, since it uses as much as digits as its factorization.

20331234033151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 20331234033151 its reverse (15133043213302), we get a palindrome (35464277246453).

The spelling of 20331234033151 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirty-four million, thirty-three thousand, one hundred fifty-one".