20754717170 has 32 divisors (see below), whose sum is σ = 40820690880. Its totient is φ = 7534952640.

The previous prime is 20754717157. The next prime is 20754717173. The reversal of 20754717170 is 7171745702.

It is not an unprimeable number, because it can be changed into a prime (20754717173) 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 15 ways as a sum of consecutive naturals, for example, 84317 + ... + 220496.

It is an arithmetic number, because the mean of its divisors is an integer number (1275646590).

Almost surely, 2^20754717170 is an apocalyptic number.

20754717170 is a deficient number, since it is larger than the sum of its proper divisors (20065973710).

20754717170 is a wasteful number, since it uses less digits than its factorization.

20754717170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305450.

The product of its (nonzero) digits is 96040, while the sum is 41.

The spelling of 20754717170 in words is "twenty billion, seven hundred fifty-four million, seven hundred seventeen thousand, one hundred seventy".