20005160105200 has 60 divisors (see below), whose sum is σ = 48185951247720. Its totient is φ = 7981493121280.

The previous prime is 20005160105159. The next prime is 20005160105209. The reversal of 20005160105200 is 250106150002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005160105209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64128334 + ... + 64439533.

It is an arithmetic number, because the mean of its divisors is an integer number (803099187462).

Almost surely, 2^{20005160105200} is an apocalyptic number.

20005160105200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20005160105200 is an abundant number, since it is smaller than the sum of its proper divisors (28180791142520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005160105200 is a wasteful number, since it uses less digits than its factorization.

20005160105200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128568274 (or 128568263 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20005160105200 its reverse (250106150002), we get a palindrome (20255266255202).

The spelling of 20005160105200 in words is "twenty trillion, five billion, one hundred sixty million, one hundred five thousand, two hundred".