20005160130777 has 16 divisors (see below), whose sum is σ = 27324440902080. Its totient is φ = 13011334003200.

The previous prime is 20005160130757. The next prime is 20005160130779. The reversal of 20005160130777 is 77703106150002.

It is not a de Polignac number, because 20005160130777 - 2⁶ = 20005160130713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20005160130779) 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, 10123974 + ... + 11937552.

It is an arithmetic number, because the mean of its divisors is an integer number (1707777556380).

Almost surely, 2^{20005160130777} is an apocalyptic number.

It is an amenable number.

20005160130777 is a deficient number, since it is larger than the sum of its proper divisors (7319280771303).

20005160130777 is a wasteful number, since it uses less digits than its factorization.

20005160130777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903304.

The product of its (nonzero) digits is 61740, while the sum is 39.

Adding to 20005160130777 its reverse (77703106150002), we get a palindrome (97708266280779).

The spelling of 20005160130777 in words is "twenty trillion, five billion, one hundred sixty million, one hundred thirty thousand, seven hundred seventy-seven".