20158104767 has 2 divisors, whose sum is σ = 20158104768. Its totient is φ = 20158104766.

The previous prime is 20158104763. The next prime is 20158104779. The reversal of 20158104767 is 76740185102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20158104767 - 2² = 20158104763 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20158104763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10079052383 + 10079052384.

It is an arithmetic number, because the mean of its divisors is an integer number (10079052384).

Almost surely, 2^20158104767 is an apocalyptic number.

20158104767 is a deficient number, since it is larger than the sum of its proper divisors (1).

20158104767 is an equidigital number, since it uses as much as digits as its factorization.

20158104767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

Adding to 20158104767 its reverse (76740185102), we get a palindrome (96898289869).

The spelling of 20158104767 in words is "twenty billion, one hundred fifty-eight million, one hundred four thousand, seven hundred sixty-seven".