20838801167 has 2 divisors, whose sum is σ = 20838801168. Its totient is φ = 20838801166.

The previous prime is 20838801149. The next prime is 20838801199. The reversal of 20838801167 is 76110883802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20838801167 - 2⁶ = 20838801103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20838801107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10419400583 + 10419400584.

It is an arithmetic number, because the mean of its divisors is an integer number (10419400584).

Almost surely, 2^20838801167 is an apocalyptic number.

20838801167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20838801167 is an equidigital number, since it uses as much as digits as its factorization.

20838801167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 20838801167 in words is "twenty billion, eight hundred thirty-eight million, eight hundred one thousand, one hundred sixty-seven".