20550456273 has 16 divisors (see below), whose sum is σ = 29283560640. Its totient is φ = 12773892096.

The previous prime is 20550456257. The next prime is 20550456313. The reversal of 20550456273 is 37265405502.

It is a happy number.

It is not a de Polignac number, because 20550456273 - 2⁴ = 20550456257 is a prime.

It is a super-3 number, since 3×20550456273³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20550456973) 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, 1877488 + ... + 1888401.

It is an arithmetic number, because the mean of its divisors is an integer number (1830222540).

Almost surely, 2^20550456273 is an apocalyptic number.

It is an amenable number.

20550456273 is a deficient number, since it is larger than the sum of its proper divisors (8733104367).

20550456273 is a wasteful number, since it uses less digits than its factorization.

20550456273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766016.

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 20550456273 in words is "twenty billion, five hundred fifty million, four hundred fifty-six thousand, two hundred seventy-three".