20075345273 has 16 divisors (see below), whose sum is σ = 21089435136. Its totient is φ = 19085742720.

The previous prime is 20075345239. The next prime is 20075345291. The reversal of 20075345273 is 37254357002.

It is a happy number.

It is not a de Polignac number, because 20075345273 - 2¹⁸ = 20075083129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20075305273) 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, 761765 + ... + 787677.

It is an arithmetic number, because the mean of its divisors is an integer number (1318089696).

Almost surely, 2^20075345273 is an apocalyptic number.

It is an amenable number.

20075345273 is a deficient number, since it is larger than the sum of its proper divisors (1014089863).

20075345273 is a wasteful number, since it uses less digits than its factorization.

20075345273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26384.

The product of its (nonzero) digits is 176400, while the sum is 38.

The spelling of 20075345273 in words is "twenty billion, seventy-five million, three hundred forty-five thousand, two hundred seventy-three".