20604044067 has 16 divisors (see below), whose sum is σ = 27855068160. Its totient is φ = 13544615232.

The previous prime is 20604044051. The next prime is 20604044143. The reversal of 20604044067 is 76044040602.

It is not a de Polignac number, because 20604044067 - 2⁴ = 20604044051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20604044017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200138 + ... + 1217184.

It is an arithmetic number, because the mean of its divisors is an integer number (1740941760).

Almost surely, 2^20604044067 is an apocalyptic number.

20604044067 is a deficient number, since it is larger than the sum of its proper divisors (7251024093).

20604044067 is a wasteful number, since it uses less digits than its factorization.

20604044067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22642.

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 20604044067 its reverse (76044040602), we get a palindrome (96648084669).

The spelling of 20604044067 in words is "twenty billion, six hundred four million, forty-four thousand, sixty-seven".