20673354175 has 24 divisors (see below), whose sum is σ = 26275385232. Its totient is φ = 16130400000.

The previous prime is 20673354173. The next prime is 20673354179. The reversal of 20673354175 is 57145337602.

It is not a de Polignac number, because 20673354175 - 2¹ = 20673354173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20673354173) 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 23 ways as a sum of consecutive naturals, for example, 108075 + ... + 230275.

It is an arithmetic number, because the mean of its divisors is an integer number (1094807718).

Almost surely, 2^20673354175 is an apocalyptic number.

20673354175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20673354175 is a deficient number, since it is larger than the sum of its proper divisors (5602031057).

20673354175 is a wasteful number, since it uses less digits than its factorization.

20673354175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122379 (or 122374 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 20673354175 in words is "twenty billion, six hundred seventy-three million, three hundred fifty-four thousand, one hundred seventy-five".