20012322151 has 2 divisors, whose sum is σ = 20012322152. Its totient is φ = 20012322150.

The previous prime is 20012322101. The next prime is 20012322181. The reversal of 20012322151 is 15122321002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20012322151 - 2²⁵ = 19978767719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006161075 + 10006161076.

It is an arithmetic number, because the mean of its divisors is an integer number (10006161076).

Almost surely, 2^20012322151 is an apocalyptic number.

20012322151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012322151 is an equidigital number, since it uses as much as digits as its factorization.

20012322151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20012322151 its reverse (15122321002), we get a palindrome (35134643153).

The spelling of 20012322151 in words is "twenty billion, twelve million, three hundred twenty-two thousand, one hundred fifty-one".