20072730273 has 16 divisors (see below), whose sum is σ = 26839502976. Its totient is φ = 13343944320.

The previous prime is 20072730259. The next prime is 20072730311. The reversal of 20072730273 is 37203727002.

It is not a de Polignac number, because 20072730273 - 2⁴ = 20072730257 is a prime.

It is a super-2 number, since 2×20072730273² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20072730233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616115 + ... + 1628487.

It is an arithmetic number, because the mean of its divisors is an integer number (1677468936).

Almost surely, 2^20072730273 is an apocalyptic number.

It is an amenable number.

20072730273 is a deficient number, since it is larger than the sum of its proper divisors (6766772703).

20072730273 is a wasteful number, since it uses less digits than its factorization.

20072730273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864.

The product of its (nonzero) digits is 24696, while the sum is 33.

The spelling of 20072730273 in words is "twenty billion, seventy-two million, seven hundred thirty thousand, two hundred seventy-three".