20311441167 has 32 divisors (see below), whose sum is σ = 28703263680. Its totient is φ = 12755957760.

The previous prime is 20311441141. The next prime is 20311441177. The reversal of 20311441167 is 76114411302.

It is not a de Polignac number, because 20311441167 - 2⁷ = 20311441039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311441177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822423 + ... + 846759.

It is an arithmetic number, because the mean of its divisors is an integer number (896976990).

Almost surely, 2^20311441167 is an apocalyptic number.

20311441167 is a deficient number, since it is larger than the sum of its proper divisors (8391822513).

20311441167 is a wasteful number, since it uses less digits than its factorization.

20311441167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24603.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 20311441167 its reverse (76114411302), we get a palindrome (96425852469).

The spelling of 20311441167 in words is "twenty billion, three hundred eleven million, four hundred forty-one thousand, one hundred sixty-seven".