20311162327 has 2 divisors, whose sum is σ = 20311162328. Its totient is φ = 20311162326.

The previous prime is 20311162307. The next prime is 20311162343. The reversal of 20311162327 is 72326111302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20311162327 - 2¹⁹ = 20310638039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20311162295 and 20311162304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311162307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155581163 + 10155581164.

It is an arithmetic number, because the mean of its divisors is an integer number (10155581164).

Almost surely, 2^20311162327 is an apocalyptic number.

20311162327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311162327 is an equidigital number, since it uses as much as digits as its factorization.

20311162327 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 28.

Adding to 20311162327 its reverse (72326111302), we get a palindrome (92637273629).

The spelling of 20311162327 in words is "twenty billion, three hundred eleven million, one hundred sixty-two thousand, three hundred twenty-seven".