20750742763173 has 12 divisors (see below), whose sum is σ = 29973723793728. Its totient is φ = 13833630651240.

The previous prime is 20750742763123. The next prime is 20750742763189. The reversal of 20750742763173 is 37136724705702.

20750742763173 is a `hidden beast` number, since 2 + 0 + 7 + 50 + 7 + 4 + 276 + 317 + 3 = 666.

It is not a de Polignac number, because 20750742763173 - 2¹² = 20750742759077 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750742763123) 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, 15822493 + ... + 17083698.

It is an arithmetic number, because the mean of its divisors is an integer number (2497810316144).

Almost surely, 2^{20750742763173} is an apocalyptic number.

It is an amenable number.

20750742763173 is a deficient number, since it is larger than the sum of its proper divisors (9222981030555).

20750742763173 is a wasteful number, since it uses less digits than its factorization.

20750742763173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32976264 (or 32976261 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 54.

The spelling of 20750742763173 in words is "twenty trillion, seven hundred fifty billion, seven hundred forty-two million, seven hundred sixty-three thousand, one hundred seventy-three".