20105521170710 has 16 divisors (see below), whose sum is σ = 36231016372992. Its totient is φ = 8033079964800.

The previous prime is 20105521170689. The next prime is 20105521170719. The reversal of 20105521170710 is 1707112550102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20105521170719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141053686 + ... + 1141071305.

It is an arithmetic number, because the mean of its divisors is an integer number (2264438523312).

Almost surely, 2^{20105521170710} is an apocalyptic number.

20105521170710 is a deficient number, since it is larger than the sum of its proper divisors (16125495202282).

20105521170710 is a wasteful number, since it uses less digits than its factorization.

20105521170710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282125879.

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 20105521170710 in words is "twenty trillion, one hundred five billion, five hundred twenty-one million, one hundred seventy thousand, seven hundred ten".