20043777107170 has 64 divisors (see below), whose sum is σ = 38153707748352. Its totient is φ = 7569100800000.

The previous prime is 20043777107153. The next prime is 20043777107177. The reversal of 20043777107170 is 7170177734002.

It is a self number, because there is not a number n which added to its sum of digits gives 20043777107170.

It is not an unprimeable number, because it can be changed into a prime (20043777107177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208739170 + ... + 208835170.

It is an arithmetic number, because the mean of its divisors is an integer number (596151683568).

Almost surely, 2^{20043777107170} is an apocalyptic number.

20043777107170 is a deficient number, since it is larger than the sum of its proper divisors (18109930641182).

20043777107170 is a wasteful number, since it uses less digits than its factorization.

20043777107170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112507.

The product of its (nonzero) digits is 403368, while the sum is 46.

The spelling of 20043777107170 in words is "twenty trillion, forty-three billion, seven hundred seventy-seven million, one hundred seven thousand, one hundred seventy".