20019168367 has 16 divisors (see below), whose sum is σ = 21911160960. Its totient is φ = 18139290400.

The previous prime is 20019168347. The next prime is 20019168371. The reversal of 20019168367 is 76386191002.

It is a de Polignac number, because none of the positive numbers 2^k-20019168367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20019168347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5469384 + ... + 5473042.

It is an arithmetic number, because the mean of its divisors is an integer number (1369447560).

Almost surely, 2^20019168367 is an apocalyptic number.

20019168367 is a deficient number, since it is larger than the sum of its proper divisors (1891992593).

20019168367 is a wasteful number, since it uses less digits than its factorization.

20019168367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 20019168367 in words is "twenty billion, nineteen million, one hundred sixty-eight thousand, three hundred sixty-seven".