20522020673 has 8 divisors (see below), whose sum is σ = 25585896000. Its totient is φ = 15991184880.

The previous prime is 20522020667. The next prime is 20522020721. The reversal of 20522020673 is 37602022502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20522020673 - 2²⁶ = 20454911809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20522020633) 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 7 ways as a sum of consecutive naturals, for example, 133259798 + ... + 133259951.

It is an arithmetic number, because the mean of its divisors is an integer number (3198237000).

Almost surely, 2^20522020673 is an apocalyptic number.

It is an amenable number.

20522020673 is a deficient number, since it is larger than the sum of its proper divisors (5063875327).

20522020673 is a wasteful number, since it uses less digits than its factorization.

20522020673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266519767.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 20522020673 in words is "twenty billion, five hundred twenty-two million, twenty thousand, six hundred seventy-three".