20005111467077 has 4 divisors (see below), whose sum is σ = 21823757964096. Its totient is φ = 18186464970060.

The previous prime is 20005111467053. The next prime is 20005111467119. The reversal of 20005111467077 is 77076411150002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20005111467077 - 2¹⁴ = 20005111450693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005111467577) 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 3 ways as a sum of consecutive naturals, for example, 909323248493 + ... + 909323248514.

It is an arithmetic number, because the mean of its divisors is an integer number (5455939491024).

Almost surely, 2^{20005111467077} is an apocalyptic number.

It is an amenable number.

20005111467077 is a deficient number, since it is larger than the sum of its proper divisors (1818646497019).

20005111467077 is a wasteful number, since it uses less digits than its factorization.

20005111467077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818646497018.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 20005111467077 in words is "twenty trillion, five billion, one hundred eleven million, four hundred sixty-seven thousand, seventy-seven".