20311162699 has 2 divisors, whose sum is σ = 20311162700. Its totient is φ = 20311162698.

The previous prime is 20311162693. The next prime is 20311162727. The reversal of 20311162699 is 99626111302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20311162699 - 2²¹ = 20309065547 is a prime.

It is not a weakly prime, because it can be changed into another prime (20311162693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155581349 + 10155581350.

It is an arithmetic number, because the mean of its divisors is an integer number (10155581350).

Almost surely, 2^20311162699 is an apocalyptic number.

20311162699 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311162699 is an equidigital number, since it uses as much as digits as its factorization.

20311162699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 20311162699 in words is "twenty billion, three hundred eleven million, one hundred sixty-two thousand, six hundred ninety-nine".