20311162727 has 2 divisors, whose sum is σ = 20311162728. Its totient is φ = 20311162726.

The previous prime is 20311162699. The next prime is 20311162771. The reversal of 20311162727 is 72726111302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20311162727 - 2¹⁴ = 20311146343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20311162693 and 20311162702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311162327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155581363 + 10155581364.

It is an arithmetic number, because the mean of its divisors is an integer number (10155581364).

Almost surely, 2^20311162727 is an apocalyptic number.

20311162727 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311162727 is an equidigital number, since it uses as much as digits as its factorization.

20311162727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 20311162727 in words is "twenty billion, three hundred eleven million, one hundred sixty-two thousand, seven hundred twenty-seven".