20135040157667 has 2 divisors, whose sum is σ = 20135040157668. Its totient is φ = 20135040157666.

The previous prime is 20135040157627. The next prime is 20135040157681. The reversal of 20135040157667 is 76675104053102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20135040157667 - 2¹⁰ = 20135040156643 is a prime.

It is not a weakly prime, because it can be changed into another prime (20135040157607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067520078833 + 10067520078834.

It is an arithmetic number, because the mean of its divisors is an integer number (10067520078834).

Almost surely, 2^{20135040157667} is an apocalyptic number.

20135040157667 is a deficient number, since it is larger than the sum of its proper divisors (1).

20135040157667 is an equidigital number, since it uses as much as digits as its factorization.

20135040157667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 20135040157667 in words is "twenty trillion, one hundred thirty-five billion, forty million, one hundred fifty-seven thousand, six hundred sixty-seven".